252538331 has 2 divisors, whose sum is σ = 252538332. Its totient is φ = 252538330.

The previous prime is 252538313. The next prime is 252538361. The reversal of 252538331 is 133835252.

Together with previous prime (252538313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252538331 - 2²² = 248344027 is a prime.

It is a super-2 number, since 2×252538331² = 127551217248531122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252538361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126269165 + 126269166.

It is an arithmetic number, because the mean of its divisors is an integer number (126269166).

Almost surely, 2^252538331 is an apocalyptic number.

252538331 is a deficient number, since it is larger than the sum of its proper divisors (1).

252538331 is an equidigital number, since it uses as much as digits as its factorization.

252538331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 252538331 is about 15891.4546533664. The cubic root of 252538331 is about 632.0854139686.

The spelling of 252538331 in words is "two hundred fifty-two million, five hundred thirty-eight thousand, three hundred thirty-one".