2007

2007 = 3 x 3 x 223.

2007 divides the sum of the digits of 2²⁰⁰⁷ x 2007!

2007 is a number n such that 25n +1 is a square (A219259).

The sum of the base 2 digits of 2007 (1 + 1 + 1 + 1 + 1 + 0 + 1 + 0 + 1 + 1 + 1 = 9) equals the sum of the base 10 digits of 2007 (2 + 0 + 0 + 7 = 9) (A037308).

2007 is a pentadecagonal number (A051687).

2007 is the smallest of three consecutive numbers, each divisible by a square (A070258).

Source: What's Special About This Number?