564775 has 24 divisors (see below), whose sum is σ = 781200. Its totient is φ = 403200.

The previous prime is 564761. The next prime is 564779. The reversal of 564775 is 577465.

564775 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 564775 - 2¹³ = 556583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13755 + ... + 13795.

It is an arithmetic number, because the mean of its divisors is an integer number (32550).

2⁵⁶⁴⁷⁷⁵ is an apocalyptic number.

564775 is a deficient number, since it is larger than the sum of its proper divisors (216425).

564775 is a wasteful number, since it uses less digits than its factorization.

564775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 94 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 564775 is about 751.5151362414. The cubic root of 564775 is about 82.6593187046.

The spelling of 564775 in words is "five hundred sixty-four thousand, seven hundred seventy-five".