516513 has 4 divisors (see below), whose sum is σ = 688688. Its totient is φ = 344340.

The previous prime is 516499. The next prime is 516517. The reversal of 516513 is 315615.

It is a happy number.

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 not a de Polignac number, because 516513 - 2⁶ = 516449 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 516513.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 516513.

It is not an unprimeable number, because it can be changed into a prime (516517) 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, 86083 + ... + 86088.

It is an arithmetic number, because the mean of its divisors is an integer number (172172).

2⁵¹⁶⁵¹³ is an apocalyptic number.

It is an amenable number.

516513 is a deficient number, since it is larger than the sum of its proper divisors (172175).

516513 is a wasteful number, since it uses less digits than its factorization.

516513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172174.

The product of its digits is 450, while the sum is 21.

The square root of 516513 is about 718.6883886637. The cubic root of 516513 is about 80.2343648270.

The spelling of 516513 in words is "five hundred sixteen thousand, five hundred thirteen".