13125064625 has 32 divisors (see below), whose sum is σ = 18256492800. Its totient is φ = 9362246400.

The previous prime is 13125064621. The next prime is 13125064651. The reversal of 13125064625 is 52646052131.

It is not a de Polignac number, because 13125064625 - 2² = 13125064621 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13125064621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122165 + ... + 202914.

It is an arithmetic number, because the mean of its divisors is an integer number (570515400).

Almost surely, 2^13125064625 is an apocalyptic number.

It is an amenable number.

13125064625 is a deficient number, since it is larger than the sum of its proper divisors (5131428175).

13125064625 is a wasteful number, since it uses less digits than its factorization.

13125064625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325130 (or 325120 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

It can be divided in two parts, 1312506 and 4625, that added together give a palindrome (1317131).

The spelling of 13125064625 in words is "thirteen billion, one hundred twenty-five million, sixty-four thousand, six hundred twenty-five".