252774565654 has 16 divisors (see below), whose sum is σ = 408591817200. Its totient is φ = 116589849120.

The previous prime is 252774565607. The next prime is 252774565699. The reversal of 252774565654 is 456565477252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3097912 + ... + 3178459.

It is an arithmetic number, because the mean of its divisors is an integer number (25536988575).

Almost surely, 2^252774565654 is an apocalyptic number.

252774565654 is a deficient number, since it is larger than the sum of its proper divisors (155817251546).

252774565654 is a wasteful number, since it uses less digits than its factorization.

252774565654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277935.

The product of its digits is 70560000, while the sum is 58.

The spelling of 252774565654 in words is "two hundred fifty-two billion, seven hundred seventy-four million, five hundred sixty-five thousand, six hundred fifty-four".