564165 has 40 divisors (see below), whose sum is σ = 1161600. Its totient is φ = 256608.

The previous prime is 564163. The next prime is 564173. The reversal of 564165 is 561465.

It is a happy number.

564165 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 564165 - 2¹ = 564163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564163) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2736 + ... + 2934.

It is an arithmetic number, because the mean of its divisors is an integer number (29040).

2⁵⁶⁴¹⁶⁵ is an apocalyptic number.

It is an amenable number.

564165 is an abundant number, since it is smaller than the sum of its proper divisors (597435).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564165 is a wasteful number, since it uses less digits than its factorization.

564165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 214 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 564165 is about 751.1091798134. The cubic root of 564165 is about 82.6295485315.

Adding to 564165 its product of digits (3600), we get a palindrome (567765).

It can be divided in two parts, 564 and 165, that added together give a 6-th power (729 = 3⁶).

The spelling of 564165 in words is "five hundred sixty-four thousand, one hundred sixty-five".