13625507 has 4 divisors (see below), whose sum is σ = 15572016. Its totient is φ = 11679000.

The previous prime is 13625501. The next prime is 13625533. The reversal of 13625507 is 70552631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70552631 = 103 ⋅684977.

It is a cyclic number.

It is not a de Polignac number, because 13625507 - 2⁸ = 13625251 is a prime.

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 13625507.

It is not an unprimeable number, because it can be changed into a prime (13625501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973244 + ... + 973257.

It is an arithmetic number, because the mean of its divisors is an integer number (3893004).

Almost surely, 2^13625507 is an apocalyptic number.

13625507 is a deficient number, since it is larger than the sum of its proper divisors (1946509).

13625507 is an equidigital number, since it uses as much as digits as its factorization.

13625507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946508.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 13625507 is about 3691.2744411653. The cubic root of 13625507 is about 238.8457715423.

The spelling of 13625507 in words is "thirteen million, six hundred twenty-five thousand, five hundred seven".