252356157 has 24 divisors (see below), whose sum is σ = 390218400. Its totient is φ = 156675168.

The previous prime is 252356147. The next prime is 252356171. The reversal of 252356157 is 751653252.

252356157 is a `hidden beast` number, since 2 + 5 + 2 + 35 + 615 + 7 = 666.

It is not a de Polignac number, because 252356157 - 2¹⁹ = 251831869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252356147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2418 + ... + 22595.

It is an arithmetic number, because the mean of its divisors is an integer number (16259100).

Almost surely, 2^252356157 is an apocalyptic number.

It is an amenable number.

252356157 is a deficient number, since it is larger than the sum of its proper divisors (137862243).

252356157 is a wasteful number, since it uses less digits than its factorization.

252356157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25097 (or 25094 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 252356157 is about 15885.7217966323. The cubic root of 252356157 is about 631.9333879014.

It can be divided in two parts, 252 and 356157, that added together give a square (356409 = 597²).

The spelling of 252356157 in words is "two hundred fifty-two million, three hundred fifty-six thousand, one hundred fifty-seven".