252957545534 has 24 divisors (see below), whose sum is σ = 393285843720. Its totient is φ = 121988960288.

The previous prime is 252957545497. The next prime is 252957545573. The reversal of 252957545534 is 435545759252.

It is a self number, because there is not a number n which added to its sum of digits gives 252957545534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50117 + ... + 713040.

It is an arithmetic number, because the mean of its divisors is an integer number (16386910155).

Almost surely, 2^252957545534 is an apocalyptic number.

252957545534 is a deficient number, since it is larger than the sum of its proper divisors (140328298186).

252957545534 is an equidigital number, since it uses as much as digits as its factorization.

252957545534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763324 (or 763271 counting only the distinct ones).

The product of its digits is 37800000, while the sum is 56.

The spelling of 252957545534 in words is "two hundred fifty-two billion, nine hundred fifty-seven million, five hundred forty-five thousand, five hundred thirty-four".