252511279 has 2 divisors, whose sum is σ = 252511280. Its totient is φ = 252511278.

The previous prime is 252511267. The next prime is 252511289. The reversal of 252511279 is 972115252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252511279 - 2²¹ = 250414127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252511219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126255639 + 126255640.

It is an arithmetic number, because the mean of its divisors is an integer number (126255640).

Almost surely, 2^252511279 is an apocalyptic number.

252511279 is a deficient number, since it is larger than the sum of its proper divisors (1).

252511279 is an equidigital number, since it uses as much as digits as its factorization.

252511279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 34.

The square root of 252511279 is about 15890.6034813030. The cubic root of 252511279 is about 632.0628434211.

The spelling of 252511279 in words is "two hundred fifty-two million, five hundred eleven thousand, two hundred seventy-nine".