565687 has 6 divisors (see below), whose sum is σ = 597408. Its totient is φ = 535572.

The previous prime is 565667. The next prime is 565723. The reversal of 565687 is 786565.

565687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 565687 - 2⁷ = 565559 is a prime.

It is a Duffinian 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 (565637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 423 + ... + 1144.

It is an arithmetic number, because the mean of its divisors is an integer number (99568).

2⁵⁶⁵⁶⁸⁷ is an apocalyptic number.

565687 is a deficient number, since it is larger than the sum of its proper divisors (31721).

565687 is a wasteful number, since it uses less digits than its factorization.

565687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605 (or 1586 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 565687 is about 752.1216656898. The cubic root of 565687 is about 82.7037875979.

The spelling of 565687 in words is "five hundred sixty-five thousand, six hundred eighty-seven".