252377831 has 2 divisors, whose sum is σ = 252377832. Its totient is φ = 252377830.

The previous prime is 252377821. The next prime is 252377843. The reversal of 252377831 is 138773252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252377831 is a prime.

It is a super-2 number, since 2×252377831² = 127389139160529122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252377821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126188915 + 126188916.

It is an arithmetic number, because the mean of its divisors is an integer number (126188916).

Almost surely, 2^252377831 is an apocalyptic number.

252377831 is a deficient number, since it is larger than the sum of its proper divisors (1).

252377831 is an equidigital number, since it uses as much as digits as its factorization.

252377831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 252377831 is about 15886.4039669146. The cubic root of 252377831 is about 631.9514789099.

The spelling of 252377831 in words is "two hundred fifty-two million, three hundred seventy-seven thousand, eight hundred thirty-one".