15297090625 has 12 divisors (see below), whose sum is σ = 19120143420. Its totient is φ = 12237670000.

The previous prime is 15297090623. The next prime is 15297090707. The reversal of 15297090625 is 52609079251.

It can be written as a sum of positive squares in 6 ways, for example, as 14340302001 + 956788624 = 119751^2 + 30932^2 .

It is not a de Polignac number, because 15297090625 - 2¹ = 15297090623 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (15297090623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2444410 + ... + 2450659.

It is an arithmetic number, because the mean of its divisors is an integer number (1593345285).

Almost surely, 2^15297090625 is an apocalyptic number.

It is an amenable number.

15297090625 is a deficient number, since it is larger than the sum of its proper divisors (3823052795).

15297090625 is an frugal number, since it uses more digits than its factorization.

15297090625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895094 (or 4895074 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 15297090625 in words is "fifteen billion, two hundred ninety-seven million, ninety thousand, six hundred twenty-five".