13325540531 has 4 divisors (see below), whose sum is σ = 13330426200. Its totient is φ = 13320654864.

The previous prime is 13325540519. The next prime is 13325540539. The reversal of 13325540531 is 13504552331.

13325540531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13325540531 is a prime.

It is a super-2 number, since 2×13325540531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13325540539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2438741 + ... + 2444198.

It is an arithmetic number, because the mean of its divisors is an integer number (3332606550).

Almost surely, 2^13325540531 is an apocalyptic number.

13325540531 is a deficient number, since it is larger than the sum of its proper divisors (4885669).

13325540531 is an equidigital number, since it uses as much as digits as its factorization.

13325540531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4885668.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 13325540531 in words is "thirteen billion, three hundred twenty-five million, five hundred forty thousand, five hundred thirty-one".