252591250 has 40 divisors (see below), whose sum is σ = 475582140. Its totient is φ = 100584000.

The previous prime is 252591239. The next prime is 252591281. The reversal of 252591250 is 52195252.

252591250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 10 ways, for example, as 194481 + 252396769 = 441^2 + 15887^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 495996 + ... + 496504.

Almost surely, 2^252591250 is an apocalyptic number.

252591250 is a deficient number, since it is larger than the sum of its proper divisors (222990890).

252591250 is an equidigital number, since it uses as much as digits as its factorization.

252591250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 252591250 is about 15893.1195804977. The cubic root of 252591250 is about 632.1295617115.

The spelling of 252591250 in words is "two hundred fifty-two million, five hundred ninety-one thousand, two hundred fifty".