513216532541 has 16 divisors (see below), whose sum is σ = 517188222720. Its totient is φ = 509264785920.

The previous prime is 513216532457. The next prime is 513216532627. The reversal of 513216532541 is 145235612315.

It is a cyclic number.

It is not a de Polignac number, because 513216532541 - 2¹⁰ = 513216531517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513216532495 and 513216532504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513246532541) 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 15 ways as a sum of consecutive naturals, for example, 71684720 + ... + 71691878.

It is an arithmetic number, because the mean of its divisors is an integer number (32324263920).

Almost surely, 2^513216532541 is an apocalyptic number.

It is an amenable number.

513216532541 is a deficient number, since it is larger than the sum of its proper divisors (3971690179).

513216532541 is a wasteful number, since it uses less digits than its factorization.

513216532541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8476.

The product of its digits is 108000, while the sum is 38.

The spelling of 513216532541 in words is "five hundred thirteen billion, two hundred sixteen million, five hundred thirty-two thousand, five hundred forty-one".