13351532525 has 12 divisors (see below), whose sum is σ = 16641688212. Its totient is φ = 10625879040.

The previous prime is 13351532497. The next prime is 13351532527. The reversal of 13351532525 is 52523515331.

It can be written as a sum of positive squares in 6 ways, for example, as 2509308649 + 10842223876 = 50093^2 + 104126^2 .

It is not a de Polignac number, because 13351532525 - 2⁶ = 13351532461 is a prime.

It is a super-2 number, since 2×13351532525² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13351532527) 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, 1378754 + ... + 1388403.

It is an arithmetic number, because the mean of its divisors is an integer number (1386807351).

Almost surely, 2^13351532525 is an apocalyptic number.

It is an amenable number.

13351532525 is a deficient number, since it is larger than the sum of its proper divisors (3290155687).

13351532525 is a wasteful number, since it uses less digits than its factorization.

13351532525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767360 (or 2767355 counting only the distinct ones).

The product of its digits is 67500, while the sum is 35.

The spelling of 13351532525 in words is "thirteen billion, three hundred fifty-one million, five hundred thirty-two thousand, five hundred twenty-five".