252320954979 has 16 divisors (see below), whose sum is σ = 343918789632. Its totient is φ = 164475478848.

The previous prime is 252320954929. The next prime is 252320954983. The reversal of 252320954979 is 979459023252.

It is a happy number.

It is not a de Polignac number, because 252320954979 - 2²¹ = 252318857827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252320954929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720519 + ... + 1011824.

It is an arithmetic number, because the mean of its divisors is an integer number (21494924352).

Almost surely, 2^252320954979 is an apocalyptic number.

252320954979 is a deficient number, since it is larger than the sum of its proper divisors (91597834653).

252320954979 is a wasteful number, since it uses less digits than its factorization.

252320954979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733426.

The product of its (nonzero) digits is 12247200, while the sum is 57.

The spelling of 252320954979 in words is "two hundred fifty-two billion, three hundred twenty million, nine hundred fifty-four thousand, nine hundred seventy-nine".