252481245479 has 2 divisors, whose sum is σ = 252481245480. Its totient is φ = 252481245478.

The previous prime is 252481245431. The next prime is 252481245487. The reversal of 252481245479 is 974542184252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252481245479 - 2⁸ = 252481245223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252481245479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252481244479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126240622739 + 126240622740.

It is an arithmetic number, because the mean of its divisors is an integer number (126240622740).

Almost surely, 2^252481245479 is an apocalyptic number.

252481245479 is a deficient number, since it is larger than the sum of its proper divisors (1).

252481245479 is an equidigital number, since it uses as much as digits as its factorization.

252481245479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6451200, while the sum is 53.

The spelling of 252481245479 in words is "two hundred fifty-two billion, four hundred eighty-one million, two hundred forty-five thousand, four hundred seventy-nine".