13502004325 has 24 divisors (see below), whose sum is σ = 17023481856. Its totient is φ = 10621128000.

The previous prime is 13502004317. The next prime is 13502004359. The reversal of 13502004325 is 52340020531.

It is not a de Polignac number, because 13502004325 - 2³ = 13502004317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13502004325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 669895 + ... + 689755.

It is an arithmetic number, because the mean of its divisors is an integer number (709311744).

Almost surely, 2^13502004325 is an apocalyptic number.

It is an amenable number.

13502004325 is a deficient number, since it is larger than the sum of its proper divisors (3521477531).

13502004325 is a wasteful number, since it uses less digits than its factorization.

13502004325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20325 (or 20320 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 13502004325 its reverse (52340020531), we get a palindrome (65842024856).

The spelling of 13502004325 in words is "thirteen billion, five hundred two million, four thousand, three hundred twenty-five".