513080513 has 4 divisors (see below), whose sum is σ = 559724208. Its totient is φ = 466436820.

The previous prime is 513080509. The next prime is 513080521. The reversal of 513080513 is 315080315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 513080513 - 2² = 513080509 is a prime.

It is a super-2 number, since 2×513080513² = 526503225640686338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513080543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23321831 + ... + 23321852.

It is an arithmetic number, because the mean of its divisors is an integer number (139931052).

Almost surely, 2^513080513 is an apocalyptic number.

It is an amenable number.

513080513 is a deficient number, since it is larger than the sum of its proper divisors (46643695).

513080513 is a wasteful number, since it uses less digits than its factorization.

513080513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46643694.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 513080513 is about 22651.2806039747. The cubic root of 513080513 is about 800.5623717674.

The spelling of 513080513 in words is "five hundred thirteen million, eighty thousand, five hundred thirteen".