252631567 has 2 divisors, whose sum is σ = 252631568. Its totient is φ = 252631566.

The previous prime is 252631559. The next prime is 252631583. The reversal of 252631567 is 765136252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252631567 - 2³ = 252631559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252631507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126315783 + 126315784.

It is an arithmetic number, because the mean of its divisors is an integer number (126315784).

Almost surely, 2^252631567 is an apocalyptic number.

252631567 is a deficient number, since it is larger than the sum of its proper divisors (1).

252631567 is an equidigital number, since it uses as much as digits as its factorization.

252631567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 252631567 is about 15894.3879089445. The cubic root of 252631567 is about 632.1631920816.

The spelling of 252631567 in words is "two hundred fifty-two million, six hundred thirty-one thousand, five hundred sixty-seven".