13415625 has 60 divisors (see below), whose sum is σ = 25521804. Its totient is φ = 7020000.

The previous prime is 13415617. The next prime is 13415627. The reversal of 13415625 is 52651431.

13415625 is a `hidden beast` number, since 1 + 34 + 1 + 5 + 625 = 666.

13415625 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 6 ways, for example, as 9809424 + 3606201 = 3132^2 + 1899^2 .

It is not a de Polignac number, because 13415625 - 2³ = 13415617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (3600) is a multiple of the sum of its prime factors (90).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13415627) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 253099 + ... + 253151.

Almost surely, 2^13415625 is an apocalyptic number.

13415625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13415625 is a deficient number, since it is larger than the sum of its proper divisors (12106179).

13415625 is an frugal number, since it uses more digits than its factorization.

13415625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 61 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 13415625 is about 3662.7346341224. The cubic root of 13415625 is about 237.6130578988.

The spelling of 13415625 in words is "thirteen million, four hundred fifteen thousand, six hundred twenty-five".