13831325 has 6 divisors (see below), whose sum is σ = 17150874. Its totient is φ = 11065040.

The previous prime is 13831283. The next prime is 13831331. The reversal of 13831325 is 52313831.

13831325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1136356 + 12694969 = 1066^2 + 3563^2 .

It is not a de Polignac number, because 13831325 - 2¹⁶ = 13765789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13831294 and 13831303.

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, 276602 + ... + 276651.

It is an arithmetic number, because the mean of its divisors is an integer number (2858479).

Almost surely, 2^13831325 is an apocalyptic number.

It is an amenable number.

13831325 is a deficient number, since it is larger than the sum of its proper divisors (3319549).

13831325 is an equidigital number, since it uses as much as digits as its factorization.

13831325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553263 (or 553258 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 13831325 is about 3719.0489375645. The cubic root of 13831325 is about 240.0423825613.

The spelling of 13831325 in words is "thirteen million, eight hundred thirty-one thousand, three hundred twenty-five".