15125013 has 6 divisors (see below), whose sum is σ = 21847254. Its totient is φ = 10083336.

The previous prime is 15124999. The next prime is 15125027. The reversal of 15125013 is 31052151.

15125013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15124999) and next prime (15125027).

It can be written as a sum of positive squares in only one way, i.e., 7851204 + 7273809 = 2802^2 + 2697^2 .

It is not a de Polignac number, because 15125013 - 2⁸ = 15124757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15125813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840270 + ... + 840287.

It is an arithmetic number, because the mean of its divisors is an integer number (3641209).

Almost surely, 2^15125013 is an apocalyptic number.

It is an amenable number.

15125013 is a deficient number, since it is larger than the sum of its proper divisors (6722241).

15125013 is a wasteful number, since it uses less digits than its factorization.

15125013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680563 (or 1680560 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 15125013 is about 3889.0889678690. The cubic root of 15125013 is about 247.3044430155.

Adding to 15125013 its reverse (31052151), we get a palindrome (46177164).

The spelling of 15125013 in words is "fifteen million, one hundred twenty-five thousand, thirteen".