13825625 has 20 divisors (see below), whose sum is σ = 18856464. Its totient is φ = 10050000.

The previous prime is 13825619. The next prime is 13825627. The reversal of 13825625 is 52652831.

It is not a de Polignac number, because 13825625 - 2²⁰ = 12777049 is a prime.

It is a super-2 number, since 2×13825625² = 382295813281250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13825591 and 13825600.

It is not an unprimeable number, because it can be changed into a prime (13825627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5870 + ... + 7880.

Almost surely, 2^13825625 is an apocalyptic number.

It is an amenable number.

13825625 is a deficient number, since it is larger than the sum of its proper divisors (5030839).

13825625 is an equidigital number, since it uses as much as digits as its factorization.

13825625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042 (or 2027 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 13825625 is about 3718.2825336437. The cubic root of 13825625 is about 240.0094035667.

It can be divided in two parts, 1382 and 5625, that added together give a palindrome (7007).

The spelling of 13825625 in words is "thirteen million, eight hundred twenty-five thousand, six hundred twenty-five".