252251331 has 4 divisors (see below), whose sum is σ = 336335112. Its totient is φ = 168167552.

The previous prime is 252251291. The next prime is 252251333. The reversal of 252251331 is 133152252.

It is a happy number.

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 252251331 - 2⁷ = 252251203 is a prime.

It is a super-2 number, since 2×252251331² = 127261467982543122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252251333) 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, 42041886 + ... + 42041891.

It is an arithmetic number, because the mean of its divisors is an integer number (84083778).

Almost surely, 2^252251331 is an apocalyptic number.

252251331 is a deficient number, since it is larger than the sum of its proper divisors (84083781).

252251331 is an equidigital number, since it uses as much as digits as its factorization.

252251331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84083780.

The product of its digits is 1800, while the sum is 24.

The square root of 252251331 is about 15882.4220759933. The cubic root of 252251331 is about 631.8458763669.

The spelling of 252251331 in words is "two hundred fifty-two million, two hundred fifty-one thousand, three hundred thirty-one".