252163056 has 20 divisors (see below), whose sum is σ = 651421352. Its totient is φ = 84054336.

The previous prime is 252163031. The next prime is 252163063. The reversal of 252163056 is 650361252.

It is a super-2 number, since 2×252163056² = 127172413622518272, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2626651 + ... + 2626746.

Almost surely, 2^252163056 is an apocalyptic number.

It is an amenable number.

252163056 is an abundant number, since it is smaller than the sum of its proper divisors (399258296).

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

252163056 is a wasteful number, since it uses less digits than its factorization.

252163056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253408 (or 5253402 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 252163056 is about 15879.6428171417. The cubic root of 252163056 is about 631.7721632411.

The spelling of 252163056 in words is "two hundred fifty-two million, one hundred sixty-three thousand, fifty-six".