252757505305 has 16 divisors (see below), whose sum is σ = 330282043200. Its totient is φ = 184957940160.

The previous prime is 252757505243. The next prime is 252757505309. The reversal of 252757505305 is 503505757252.

It is not a de Polignac number, because 252757505305 - 2⁹ = 252757504793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252757505309) 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, 45869751 + ... + 45875260.

It is an arithmetic number, because the mean of its divisors is an integer number (20642627700).

Almost surely, 2^252757505305 is an apocalyptic number.

It is an amenable number.

252757505305 is a deficient number, since it is larger than the sum of its proper divisors (77524537895).

252757505305 is a wasteful number, since it uses less digits than its factorization.

252757505305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91745064.

The product of its (nonzero) digits is 1837500, while the sum is 46.

The spelling of 252757505305 in words is "two hundred fifty-two billion, seven hundred fifty-seven million, five hundred five thousand, three hundred five".