13545254531 has 8 divisors (see below), whose sum is σ = 13683903024. Its totient is φ = 13406695200.

The previous prime is 13545254521. The next prime is 13545254539.

13545254531 is nontrivially palindromic in base 10.

13545254531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13545254531 is a prime.

It is a super-2 number, since 2×13545254531² (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 (13545254539) 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 7 ways as a sum of consecutive naturals, for example, 307940 + ... + 349166.

It is an arithmetic number, because the mean of its divisors is an integer number (1710487878).

Almost surely, 2^13545254531 is an apocalyptic number.

13545254531 is a deficient number, since it is larger than the sum of its proper divisors (138648493).

13545254531 is a wasteful number, since it uses less digits than its factorization.

13545254531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44581.

The product of its digits is 180000, while the sum is 38.

The spelling of 13545254531 in words is "thirteen billion, five hundred forty-five million, two hundred fifty-four thousand, five hundred thirty-one".