13875625 has 15 divisors (see below), whose sum is σ = 17456131. Its totient is φ = 11026000.

The previous prime is 13875619. The next prime is 13875637. The reversal of 13875625 is 52657831.

The square root of 13875625 is 3725.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 13816089 + 59536 = 3717^2 + 244^2 .

It is not a de Polignac number, because 13875625 - 2⁵ = 13875593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 93051 + ... + 93199.

Almost surely, 2^13875625 is an apocalyptic number.

13875625 is the 3725-th square number.

13875625 is the 1863-rd centered octagonal number.

It is an amenable number.

13875625 is a deficient number, since it is larger than the sum of its proper divisors (3580506).

13875625 is an frugal number, since it uses more digits than its factorization.

13875625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 154 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The cubic root of 13875625 is about 240.2983846608.

The spelling of 13875625 in words is "thirteen million, eight hundred seventy-five thousand, six hundred twenty-five".