13525113 has 8 divisors (see below), whose sum is σ = 20609728. Its totient is φ = 7728624.

The previous prime is 13525111. The next prime is 13525129. The reversal of 13525113 is 31152531.

13525113 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13525113 - 2¹ = 13525111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 644053 = 13525113 / (1 + 3 + 5 + 2 + 5 + 1 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13525113.

It is not an unprimeable number, because it can be changed into a prime (13525111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322006 + ... + 322047.

It is an arithmetic number, because the mean of its divisors is an integer number (2576216).

Almost surely, 2^13525113 is an apocalyptic number.

It is an amenable number.

13525113 is a deficient number, since it is larger than the sum of its proper divisors (7084615).

13525113 is an equidigital number, since it uses as much as digits as its factorization.

13525113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644063.

The product of its digits is 450, while the sum is 21.

The square root of 13525113 is about 3677.6504727883. The cubic root of 13525113 is about 238.2577122739.

Adding to 13525113 its reverse (31152531), we get a palindrome (44677644).

The spelling of 13525113 in words is "thirteen million, five hundred twenty-five thousand, one hundred thirteen".