13500253225 has 24 divisors (see below), whose sum is σ = 16826275232. Its totient is φ = 10744876800.

The previous prime is 13500253219. The next prime is 13500253279. The reversal of 13500253225 is 52235200531.

It is a de Polignac number, because none of the positive numbers 2^k-13500253225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13500253193 and 13500253202.

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, 6246145 + ... + 6248305.

Almost surely, 2^13500253225 is an apocalyptic number.

It is an amenable number.

13500253225 is a deficient number, since it is larger than the sum of its proper divisors (3326022007).

13500253225 is a wasteful number, since it uses less digits than its factorization.

13500253225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337 (or 3332 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 13500253225 its reverse (52235200531), we get a palindrome (65735453756).

The spelling of 13500253225 in words is "thirteen billion, five hundred million, two hundred fifty-three thousand, two hundred twenty-five".