513216532539 has 6 divisors (see below), whose sum is σ = 741312769236. Its totient is φ = 342144355020.

The previous prime is 513216532457. The next prime is 513216532627. The reversal of 513216532539 is 935235612315.

513216532539 is a `hidden beast` number, since 5 + 1 + 3 + 21 + 65 + 32 + 539 = 666.

It is not a de Polignac number, because 513216532539 - 2¹³ = 513216524347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513216532494 and 513216532503.

It is not an unprimeable number, because it can be changed into a prime (513216533539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28512029577 + ... + 28512029594.

It is an arithmetic number, because the mean of its divisors is an integer number (123552128206).

Almost surely, 2^513216532539 is an apocalyptic number.

513216532539 is a deficient number, since it is larger than the sum of its proper divisors (228096236697).

513216532539 is a wasteful number, since it uses less digits than its factorization.

513216532539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57024059177 (or 57024059174 counting only the distinct ones).

The product of its digits is 729000, while the sum is 45.

The spelling of 513216532539 in words is "five hundred thirteen billion, two hundred sixteen million, five hundred thirty-two thousand, five hundred thirty-nine".