13530460725 has 120 divisors (see below), whose sum is σ = 26265882368. Its totient is φ = 6877094400.

The previous prime is 13530460679. The next prime is 13530460739. The reversal of 13530460725 is 52706403531.

13530460725 is a `hidden beast` number, since 13 + 5 + 30 + 4 + 607 + 2 + 5 = 666.

It is not a de Polignac number, because 13530460725 - 2²¹ = 13528363573 is a prime.

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 13530460725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4204317 + ... + 4207533.

Almost surely, 2^13530460725 is an apocalyptic number.

13530460725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13530460725 is a deficient number, since it is larger than the sum of its proper divisors (12735421643).

13530460725 is a wasteful number, since it uses less digits than its factorization.

13530460725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 13530460725 in words is "thirteen billion, five hundred thirty million, four hundred sixty thousand, seven hundred twenty-five".