252113479 has 2 divisors, whose sum is σ = 252113480. Its totient is φ = 252113478.

The previous prime is 252113471. The next prime is 252113497. The reversal of 252113479 is 974311252.

It is a happy number.

Together with next prime (252113497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252113479 - 2³ = 252113471 is a prime.

It is a super-2 number, since 2×252113479² = 127122412586966882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252113471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126056739 + 126056740.

It is an arithmetic number, because the mean of its divisors is an integer number (126056740).

Almost surely, 2^252113479 is an apocalyptic number.

252113479 is a deficient number, since it is larger than the sum of its proper divisors (1).

252113479 is an equidigital number, since it uses as much as digits as its factorization.

252113479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 252113479 is about 15878.0817166306. The cubic root of 252113479 is about 631.7307569358.

The spelling of 252113479 in words is "two hundred fifty-two million, one hundred thirteen thousand, four hundred seventy-nine".