252355331 has 4 divisors (see below), whose sum is σ = 256632600. Its totient is φ = 248078064.

The previous prime is 252355307. The next prime is 252355343. The reversal of 252355331 is 133553252.

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

It is a cyclic number.

It is not a de Polignac number, because 252355331 - 2²² = 248161027 is a prime.

It is a super-2 number, since 2×252355331² = 127366426168239122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252355294 and 252355303.

It is not an unprimeable number, because it can be changed into a prime (252355351) 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, 2138546 + ... + 2138663.

It is an arithmetic number, because the mean of its divisors is an integer number (64158150).

Almost surely, 2^252355331 is an apocalyptic number.

252355331 is a deficient number, since it is larger than the sum of its proper divisors (4277269).

252355331 is an equidigital number, since it uses as much as digits as its factorization.

252355331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277268.

The product of its digits is 13500, while the sum is 29.

The square root of 252355331 is about 15885.6957984219. The cubic root of 252355331 is about 631.9326984294.

The spelling of 252355331 in words is "two hundred fifty-two million, three hundred fifty-five thousand, three hundred thirty-one".