Find a six-digit number in which the first digit is four more than the second; the third is one less than the second; the product of the first two digits equals the two digit number formed by reading the third and fourth digits together; the fifth is the sum of the first and third digits; and the last digit is the sum of the fourth and fifth digits.

This one won't last long

Is the 2 digit number formed from the 3rd and 4th digits allowed to have a leading zero?

Yes

621279

Knew it wouldn't last long

Boom! Headshot 

Ahhh! I didn't see this until it was too late. Damn. I was too busy giving each of you 0.5 point on Best of Seven!

and googling monopoly

Yeah, it was definitely up your alley

*prepares himself for a monopoly riddle*

Hey hey!

Oh, I see what you were getting at now... (I thought you meant that you were about to post a monopoly riddle.) No, I was googling monopoly not for my own riddle-composition research, but to contribute to the discussion at "Too easy for a point".