15397676325 has 18 divisors (see below), whose sum is σ = 27578949554. Its totient is φ = 8212093920.

The previous prime is 15397676297. The next prime is 15397676383. The reversal of 15397676325 is 52367679351.

15397676325 is a `hidden beast` number, since 1 + 539 + 7 + 6 + 76 + 32 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 30107169 + 15367569156 = 5487^2 + 123966^2 .

It is not a de Polignac number, because 15397676325 - 2¹⁰ = 15397675301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34216834 + ... + 34217283.

Almost surely, 2^15397676325 is an apocalyptic number.

15397676325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15397676325 is a deficient number, since it is larger than the sum of its proper divisors (12181273229).

15397676325 is a wasteful number, since it uses less digits than its factorization.

15397676325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68434133 (or 68434125 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 54.

The spelling of 15397676325 in words is "fifteen billion, three hundred ninety-seven million, six hundred seventy-six thousand, three hundred twenty-five".