252574731424 has 12 divisors (see below), whose sum is σ = 497256502554. Its totient is φ = 126287365696.

The previous prime is 252574731419. The next prime is 252574731433. The reversal of 252574731424 is 424137475252.

It can be written as a sum of positive squares in only one way, i.e., 147901776400 + 104672955024 = 384580^2 + 323532^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3946480147 + ... + 3946480210.

Almost surely, 2^252574731424 is an apocalyptic number.

It is an amenable number.

252574731424 is a deficient number, since it is larger than the sum of its proper divisors (244681771130).

252574731424 is an equidigital number, since it uses as much as digits as its factorization.

252574731424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7892960367 (or 7892960359 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 46.

The spelling of 252574731424 in words is "two hundred fifty-two billion, five hundred seventy-four million, seven hundred thirty-one thousand, four hundred twenty-four".