13513425 has 12 divisors (see below), whose sum is σ = 22342320. Its totient is φ = 7207120.

The previous prime is 13513421. The next prime is 13513429. The reversal of 13513425 is 52431531.

13513425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13513421) and next prime (13513429).

It is not a de Polignac number, because 13513425 - 2² = 13513421 is a prime.

It is a super-2 number, since 2×13513425² = 365225310461250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13513395 and 13513404.

It is not an unprimeable number, because it can be changed into a prime (13513421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90015 + ... + 90164.

It is an arithmetic number, because the mean of its divisors is an integer number (1861860).

Almost surely, 2^13513425 is an apocalyptic number.

13513425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13513425 is a deficient number, since it is larger than the sum of its proper divisors (8828895).

13513425 is a wasteful number, since it uses less digits than its factorization.

13513425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180192 (or 180187 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 13513425 is about 3676.0610713099. The cubic root of 13513425 is about 238.1890607540.

Adding to 13513425 its reverse (52431531), we get a palindrome (65944956).

The spelling of 13513425 in words is "thirteen million, five hundred thirteen thousand, four hundred twenty-five".