13525302987 has 12 divisors (see below), whose sum is σ = 22327484400. Its totient is φ = 7728744528.

The previous prime is 13525302977. The next prime is 13525303013. The reversal of 13525302987 is 78920352531.

13525302987 is a `hidden beast` number, since 1 + 3 + 525 + 30 + 2 + 98 + 7 = 666.

It is not a de Polignac number, because 13525302987 - 2⁴ = 13525302971 is a prime.

It is a super-2 number, since 2×13525302987² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13525302937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107343612 + ... + 107343737.

It is an arithmetic number, because the mean of its divisors is an integer number (1860623700).

Almost surely, 2^13525302987 is an apocalyptic number.

13525302987 is a deficient number, since it is larger than the sum of its proper divisors (8802181413).

13525302987 is a wasteful number, since it uses less digits than its factorization.

13525302987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214687362 (or 214687359 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 13525302987 in words is "thirteen billion, five hundred twenty-five million, three hundred two thousand, nine hundred eighty-seven".