325131372765 has 80 divisors (see below), whose sum is σ = 590290481088. Its totient is φ = 171186338304.

The previous prime is 325131372757. The next prime is 325131372767. The reversal of 325131372765 is 567273131523.

325131372765 is a `hidden beast` number, since 3 + 2 + 513 + 1 + 3 + 72 + 7 + 65 = 666.

It is not a de Polignac number, because 325131372765 - 2³ = 325131372757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 325131372765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325131372767) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 59731134 + ... + 59736576.

Almost surely, 2^325131372765 is an apocalyptic number.

It is an amenable number.

325131372765 is a deficient number, since it is larger than the sum of its proper divisors (265159108323).

325131372765 is a wasteful number, since it uses less digits than its factorization.

325131372765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320 (or 7311 counting only the distinct ones).

The product of its digits is 793800, while the sum is 45.

The spelling of 325131372765 in words is "three hundred twenty-five billion, one hundred thirty-one million, three hundred seventy-two thousand, seven hundred sixty-five".