15425125 has 8 divisors (see below), whose sum is σ = 19250712. Its totient is φ = 12340000.

The previous prime is 15425117. The next prime is 15425149. The reversal of 15425125 is 52152451.

It can be written as a sum of positive squares in 4 ways, for example, as 66564 + 15358561 = 258^2 + 3919^2 .

It is not a de Polignac number, because 15425125 - 2³ = 15425117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15425125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61576 + ... + 61825.

It is an arithmetic number, because the mean of its divisors is an integer number (2406339).

Almost surely, 2^15425125 is an apocalyptic number.

It is an amenable number.

15425125 is a deficient number, since it is larger than the sum of its proper divisors (3825587).

15425125 is an equidigital number, since it uses as much as digits as its factorization.

15425125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123416 (or 123406 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 15425125 is about 3927.4832908620. The cubic root of 15425125 is about 248.9294219951.

Adding to 15425125 its reverse (52152451), we get a palindrome (67577576).

The spelling of 15425125 in words is "fifteen million, four hundred twenty-five thousand, one hundred twenty-five".