568513 has 4 divisors (see below), whose sum is σ = 620208. Its totient is φ = 516820.

The previous prime is 568493. The next prime is 568523. The reversal of 568513 is 315865.

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 568513 - 2⁵ = 568481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (568523) 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, 25831 + ... + 25852.

It is an arithmetic number, because the mean of its divisors is an integer number (155052).

2⁵⁶⁸⁵¹³ is an apocalyptic number.

It is an amenable number.

568513 is a deficient number, since it is larger than the sum of its proper divisors (51695).

568513 is a wasteful number, since it uses less digits than its factorization.

568513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51694.

The product of its digits is 3600, while the sum is 28.

The square root of 568513 is about 753.9980106075. The cubic root of 568513 is about 82.8412798747.

It can be divided in two parts, 568 and 513, that added together give a triangular number (1081 = T₄₆).

The spelling of 568513 in words is "five hundred sixty-eight thousand, five hundred thirteen".