252553031 has 4 divisors (see below), whose sum is σ = 252597552. Its totient is φ = 252508512.

The previous prime is 252552991. The next prime is 252553033. The reversal of 252553031 is 130355252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252553031 is a prime.

It is a super-2 number, since 2×252553031² = 127566066934573922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252553033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12251 + ... + 25596.

It is an arithmetic number, because the mean of its divisors is an integer number (63149388).

Almost surely, 2^252553031 is an apocalyptic number.

252553031 is a deficient number, since it is larger than the sum of its proper divisors (44521).

252553031 is an equidigital number, since it uses as much as digits as its factorization.

252553031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44520.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 252553031 is about 15891.9171593612. The cubic root of 252553031 is about 632.0976780809.

The spelling of 252553031 in words is "two hundred fifty-two million, five hundred fifty-three thousand, thirty-one".