15375025 has 12 divisors (see below), whose sum is σ = 19147212. Its totient is φ = 12247040.

The previous prime is 15375011. The next prime is 15375043. The reversal of 15375025 is 52057351.

It can be written as a sum of positive squares in 6 ways, for example, as 266256 + 15108769 = 516^2 + 3887^2 .

It is not a de Polignac number, because 15375025 - 2⁷ = 15374897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15374984 and 15375002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5229 + ... + 7621.

It is an arithmetic number, because the mean of its divisors is an integer number (1595601).

Almost surely, 2^15375025 is an apocalyptic number.

It is an amenable number.

15375025 is a deficient number, since it is larger than the sum of its proper divisors (3772187).

15375025 is a wasteful number, since it uses less digits than its factorization.

15375025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 15375025 is about 3921.0999732218. The cubic root of 15375025 is about 248.6596264381.

The spelling of 15375025 in words is "fifteen million, three hundred seventy-five thousand, twenty-five".