565724 has 12 divisors (see below), whose sum is σ = 995904. Its totient is φ = 281184.

The previous prime is 565723. The next prime is 565727. The reversal of 565724 is 427565.

It is an Ulam number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565723) 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, 629 + ... + 1235.

It is an arithmetic number, because the mean of its divisors is an integer number (82992).

2⁵⁶⁵⁷²⁴ is an apocalyptic number.

It is an amenable number.

565724 is a deficient number, since it is larger than the sum of its proper divisors (430180).

565724 is a wasteful number, since it uses less digits than its factorization.

565724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 842 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 565724 is about 752.1462623719. The cubic root of 565724 is about 82.7055906995.

It can be divided in two parts, 565 and 724, that multiplied together give a triangular number (409060 = T₉₀₄).

The spelling of 565724 in words is "five hundred sixty-five thousand, seven hundred twenty-four".