252752394 has 16 divisors (see below), whose sum is σ = 507294432. Its totient is φ = 83952528.

The previous prime is 252752387. The next prime is 252752419. The reversal of 252752394 is 493257252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72729 + ... + 76124.

It is an arithmetic number, because the mean of its divisors is an integer number (31705902).

Almost surely, 2^252752394 is an apocalyptic number.

252752394 is an abundant number, since it is smaller than the sum of its proper divisors (254542038).

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

252752394 is a wasteful number, since it uses less digits than its factorization.

252752394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149141.

The product of its digits is 151200, while the sum is 39.

The square root of 252752394 is about 15898.1883873604. The cubic root of 252752394 is about 632.2639583331.

The spelling of 252752394 in words is "two hundred fifty-two million, seven hundred fifty-two thousand, three hundred ninety-four".