564485 has 16 divisors (see below), whose sum is σ = 745200. Its totient is φ = 408576.

The previous prime is 564467. The next prime is 564491. The reversal of 564485 is 584465.

It can be written as a sum of positive squares in 8 ways, for example, as 66049 + 498436 = 257^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 564485 - 2⁸ = 564229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2351 + ... + 2579.

It is an arithmetic number, because the mean of its divisors is an integer number (46575).

2⁵⁶⁴⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

564485 is a deficient number, since it is larger than the sum of its proper divisors (180715).

564485 is a wasteful number, since it uses less digits than its factorization.

564485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 19200, while the sum is 32.

The square root of 564485 is about 751.3221679147. The cubic root of 564485 is about 82.6451683459.

Subtracting from 564485 its sum of digits (32), we obtain a triangular number (564453 = T₁₀₆₂).

The spelling of 564485 in words is "five hundred sixty-four thousand, four hundred eighty-five".