500 is the minimum. There was a guy in my class that was right above 500 hours. I think he said that he interviewed at 450... but don't quote me on that.

They like to see a fair amount of instrument experience and glass time. Again, there were a couple guys who didn't do much IFR or glass. They'll get you up to speed if you're lacking in those areas but it'll be up to you to be proficient on the regs.