516004513 has 4 divisors (see below), whose sum is σ = 516053808. Its totient is φ = 515955220.

The previous prime is 516004507. The next prime is 516004529. The reversal of 516004513 is 315400615.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516004513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516004543) 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, 2023 + ... + 32188.

It is an arithmetic number, because the mean of its divisors is an integer number (129013452).

Almost surely, 2^516004513 is an apocalyptic number.

It is an amenable number.

516004513 is a deficient number, since it is larger than the sum of its proper divisors (49295).

516004513 is a wasteful number, since it uses less digits than its factorization.

516004513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49294.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 516004513 is about 22715.7327198574. The cubic root of 516004513 is about 802.0802697626.

The spelling of 516004513 in words is "five hundred sixteen million, four thousand, five hundred thirteen".