564765 has 16 divisors (see below), whose sum is σ = 943488. Its totient is φ = 287936.

The previous prime is 564761. The next prime is 564779. The reversal of 564765 is 567465.

564765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 564765 - 2² = 564761 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 564765.

It is not an unprimeable number, because it can be changed into a prime (564761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474 + ... + 1163.

It is an arithmetic number, because the mean of its divisors is an integer number (58968).

2⁵⁶⁴⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

564765 is a deficient number, since it is larger than the sum of its proper divisors (378723).

564765 is a wasteful number, since it uses less digits than its factorization.

564765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its digits is 25200, while the sum is 33.

The square root of 564765 is about 751.5084829861. The cubic root of 564765 is about 82.6588308419.

The spelling of 564765 in words is "five hundred sixty-four thousand, seven hundred sixty-five".