564305 has 16 divisors (see below), whose sum is σ = 808704. Its totient is φ = 369600.

The previous prime is 564301. The next prime is 564307. The reversal of 564305 is 503465.

It is not a de Polignac number, because 564305 - 2² = 564301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564301) 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, 455 + ... + 1155.

It is an arithmetic number, because the mean of its divisors is an integer number (50544).

2⁵⁶⁴³⁰⁵ is an apocalyptic number.

It is an amenable number.

564305 is a deficient number, since it is larger than the sum of its proper divisors (244399).

564305 is a wasteful number, since it uses less digits than its factorization.

564305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 564305 is about 751.2023695383. The cubic root of 564305 is about 82.6363829269.

The spelling of 564305 in words is "five hundred sixty-four thousand, three hundred five".