252604361265 has 16 divisors (see below), whose sum is σ = 404181273600. Its totient is φ = 134717560832.

The previous prime is 252604361203. The next prime is 252604361297. The reversal of 252604361265 is 562163406252.

It is a cyclic number.

It is not a de Polignac number, because 252604361265 - 2²⁵ = 252570806833 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 163441 + ... + 729329.

It is an arithmetic number, because the mean of its divisors is an integer number (25261329600).

Almost surely, 2^252604361265 is an apocalyptic number.

It is an amenable number.

252604361265 is a deficient number, since it is larger than the sum of its proper divisors (151576912335).

252604361265 is a wasteful number, since it uses less digits than its factorization.

252604361265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595656.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 252604361265 in words is "two hundred fifty-two billion, six hundred four million, three hundred sixty-one thousand, two hundred sixty-five".