252481679 has 2 divisors, whose sum is σ = 252481680. Its totient is φ = 252481678.

The previous prime is 252481651. The next prime is 252481717. The reversal of 252481679 is 976184252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252481679 - 2¹² = 252477583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252484679) 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, 126240839 + 126240840.

It is an arithmetic number, because the mean of its divisors is an integer number (126240840).

Almost surely, 2^252481679 is an apocalyptic number.

252481679 is a deficient number, since it is larger than the sum of its proper divisors (1).

252481679 is an equidigital number, since it uses as much as digits as its factorization.

252481679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 252481679 is about 15889.6720859809. The cubic root of 252481679 is about 632.0381451300.

The spelling of 252481679 in words is "two hundred fifty-two million, four hundred eighty-one thousand, six hundred seventy-nine".