475

475 = 5² x 19.

475 as a square that is composed of overlapping squares of smaller numbers: 475² = 225625.

475 is the smallest of three consecutive numbers, each one divisible by a square other than 1 (476 is divisible by 4 and 477 is divisible by 9).

475 has the same last two digits as 475³: 475³ = 107171875.

475 Ocllo is an asteroid discovered in 1901.

Source: What’s Special About This Number?