13017252525 has 24 divisors (see below), whose sum is σ = 21712330560. Its totient is φ = 6881091840.

The previous prime is 13017252509. The next prime is 13017252593. The reversal of 13017252525 is 52525271031.

13017252525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13017252525 - 2⁴ = 13017252509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 759505 + ... + 776454.

It is an arithmetic number, because the mean of its divisors is an integer number (904680440).

Almost surely, 2^13017252525 is an apocalyptic number.

13017252525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13017252525 is a deficient number, since it is larger than the sum of its proper divisors (8695078035).

13017252525 is a wasteful number, since it uses less digits than its factorization.

13017252525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536085 (or 1536080 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 13017252525 in words is "thirteen billion, seventeen million, two hundred fifty-two thousand, five hundred twenty-five".