13625425 has 12 divisors (see below), whose sum is σ = 18431856. Its totient is φ = 9909200.

The previous prime is 13625419. The next prime is 13625431. The reversal of 13625425 is 52452631.

It is an interprime number because it is at equal distance from previous prime (13625419) and next prime (13625431).

It is not a de Polignac number, because 13625425 - 2⁹ = 13624913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13625393 and 13625402.

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, 24499 + ... + 25048.

It is an arithmetic number, because the mean of its divisors is an integer number (1535988).

Almost surely, 2^13625425 is an apocalyptic number.

It is an amenable number.

13625425 is a deficient number, since it is larger than the sum of its proper divisors (4806431).

13625425 is a wasteful number, since it uses less digits than its factorization.

13625425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49568 (or 49563 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 13625425 is about 3691.2633338736. The cubic root of 13625425 is about 238.8452924068.

The spelling of 13625425 in words is "thirteen million, six hundred twenty-five thousand, four hundred twenty-five".