252146904 has 32 divisors (see below), whose sum is σ = 636614640. Its totient is φ = 83216000.

The previous prime is 252146857. The next prime is 252146911. The reversal of 252146904 is 409641252.

It is a super-2 number, since 2×252146904² = 127156122393570432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49587 + ... + 54434.

Almost surely, 2^252146904 is an apocalyptic number.

252146904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252146904 is an abundant number, since it is smaller than the sum of its proper divisors (384467736).

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

252146904 is a wasteful number, since it uses less digits than its factorization.

252146904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104131 (or 104127 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 252146904 is about 15879.1342333265. The cubic root of 252146904 is about 631.7586738188.

The spelling of 252146904 in words is "two hundred fifty-two million, one hundred forty-six thousand, nine hundred four".