252577867 has 2 divisors, whose sum is σ = 252577868. Its totient is φ = 252577866.

The previous prime is 252577847. The next prime is 252577901. The reversal of 252577867 is 768775252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252577867 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252577867.

It is not a weakly prime, because it can be changed into another prime (252577847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126288933 + 126288934.

It is an arithmetic number, because the mean of its divisors is an integer number (126288934).

Almost surely, 2^252577867 is an apocalyptic number.

252577867 is a deficient number, since it is larger than the sum of its proper divisors (1).

252577867 is an equidigital number, since it uses as much as digits as its factorization.

252577867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1646400, while the sum is 49.

The square root of 252577867 is about 15892.6985436709. The cubic root of 252577867 is about 632.1183975093.

It can be divided in two parts, 25257 and 7867, that added together give a square (33124 = 182²).

The spelling of 252577867 in words is "two hundred fifty-two million, five hundred seventy-seven thousand, eight hundred sixty-seven".