13825925 has 6 divisors (see below), whose sum is σ = 17144178. Its totient is φ = 11060720.

The previous prime is 13825909. The next prime is 13825937. The reversal of 13825925 is 52952831.

It can be written as a sum of positive squares in 3 ways, for example, as 2401 + 13823524 = 49^2 + 3718^2 .

It is not a de Polignac number, because 13825925 - 2⁴ = 13825909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276494 + ... + 276543.

It is an arithmetic number, because the mean of its divisors is an integer number (2857363).

Almost surely, 2^13825925 is an apocalyptic number.

It is an amenable number.

13825925 is a deficient number, since it is larger than the sum of its proper divisors (3318253).

13825925 is an equidigital number, since it uses as much as digits as its factorization.

13825925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553047 (or 553042 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 13825925 is about 3718.3228746304. The cubic root of 13825925 is about 240.0111395293.

The spelling of 13825925 in words is "thirteen million, eight hundred twenty-five thousand, nine hundred twenty-five".