252657344 has 14 divisors (see below), whose sum is σ = 501367044. Its totient is φ = 126328640.

The previous prime is 252657329. The next prime is 252657359. The reversal of 252657344 is 443756252.

It is an interprime number because it is at equal distance from previous prime (252657329) and next prime (252657359).

It is a junction number, because it is equal to n+sod(n) for n = 252657298 and 252657307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1973822 + ... + 1973949.

Almost surely, 2^252657344 is an apocalyptic number.

It is an amenable number.

252657344 is a deficient number, since it is larger than the sum of its proper divisors (248709700).

252657344 is an equidigital number, since it uses as much as digits as its factorization.

252657344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947783 (or 3947773 counting only the distinct ones).

The product of its digits is 201600, while the sum is 38.

The square root of 252657344 is about 15895.1987719563. The cubic root of 252657344 is about 632.1846920557.

The spelling of 252657344 in words is "two hundred fifty-two million, six hundred fifty-seven thousand, three hundred forty-four".