252997797305 has 16 divisors (see below), whose sum is σ = 331299163584. Its totient is φ = 183941705280.

The previous prime is 252997797289. The next prime is 252997797329. The reversal of 252997797305 is 503797799252.

It is not a de Polignac number, because 252997797305 - 2⁴ = 252997797289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528119 + ... + 885948.

It is an arithmetic number, because the mean of its divisors is an integer number (20706197724).

Almost surely, 2^252997797305 is an apocalyptic number.

It is an amenable number.

252997797305 is a deficient number, since it is larger than the sum of its proper divisors (78301366279).

252997797305 is a wasteful number, since it uses less digits than its factorization.

252997797305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417336.

The product of its (nonzero) digits is 75014100, while the sum is 65.

The spelling of 252997797305 in words is "two hundred fifty-two billion, nine hundred ninety-seven million, seven hundred ninety-seven thousand, three hundred five".