252005256 has 40 divisors (see below), whose sum is σ = 705849870. Its totient is φ = 84001536.

The previous prime is 252005239. The next prime is 252005267. The reversal of 252005256 is 652500252.

It can be written as a sum of positive squares in only one way, i.e., 215208900 + 36796356 = 14670^2 + 6066^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 193801 + ... + 195096.

Almost surely, 2^252005256 is an apocalyptic number.

It is an amenable number.

252005256 is an abundant number, since it is smaller than the sum of its proper divisors (453844614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252005256 is a wasteful number, since it uses less digits than its factorization.

252005256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388915 (or 388902 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 252005256 is about 15874.6734139635. The cubic root of 252005256 is about 631.6403511089.

The spelling of 252005256 in words is "two hundred fifty-two million, five thousand, two hundred fifty-six".