252162431 has 2 divisors, whose sum is σ = 252162432. Its totient is φ = 252162430.

The previous prime is 252162419. The next prime is 252162439. The reversal of 252162431 is 134261252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252162431 - 2¹⁸ = 251900287 is a prime.

It is a super-2 number, since 2×252162431² = 127171783215659522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252162431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252162439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126081215 + 126081216.

It is an arithmetic number, because the mean of its divisors is an integer number (126081216).

Almost surely, 2^252162431 is an apocalyptic number.

252162431 is a deficient number, since it is larger than the sum of its proper divisors (1).

252162431 is an equidigital number, since it uses as much as digits as its factorization.

252162431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 252162431 is about 15879.6231378456. The cubic root of 252162431 is about 631.7716412800.

The spelling of 252162431 in words is "two hundred fifty-two million, one hundred sixty-two thousand, four hundred thirty-one".