564085 has 8 divisors (see below), whose sum is σ = 684216. Its totient is φ = 446400.

The previous prime is 564061. The next prime is 564089. The reversal of 564085 is 580465.

It can be written as a sum of positive squares in 4 ways, for example, as 58564 + 505521 = 242^2 + 711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-564085 is a prime.

It is a Duffinian number.

564085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (85527).

2⁵⁶⁴⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

564085 is a deficient number, since it is larger than the sum of its proper divisors (120131).

564085 is a wasteful number, since it uses less digits than its factorization.

564085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 564085 is about 751.0559233506. The cubic root of 564085 is about 82.6256426550.

The spelling of 564085 in words is "five hundred sixty-four thousand, eighty-five".