252265521545634 has 128 divisors (see below), whose sum is σ = 556805738151936. Its totient is φ = 75925643904000.

The previous prime is 252265521545629. The next prime is 252265521545641. The reversal of 252265521545634 is 436545125562252.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 989292637 + ... + 989547599.

It is an arithmetic number, because the mean of its divisors is an integer number (4350044829312).

Almost surely, 2^{252265521545634} is an apocalyptic number.

252265521545634 is an abundant number, since it is smaller than the sum of its proper divisors (304540216606302).

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

252265521545634 is a wasteful number, since it uses less digits than its factorization.

252265521545634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260704.

The product of its digits is 86400000, while the sum is 57.

The spelling of 252265521545634 in words is "two hundred fifty-two trillion, two hundred sixty-five billion, five hundred twenty-one million, five hundred forty-five thousand, six hundred thirty-four".