564645 has 8 divisors (see below), whose sum is σ = 903456. Its totient is φ = 301136.

The previous prime is 564643. The next prime is 564653. The reversal of 564645 is 546465.

564645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 564645 - 2¹ = 564643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564643) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18807 + ... + 18836.

It is an arithmetic number, because the mean of its divisors is an integer number (112932).

2⁵⁶⁴⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

564645 is a deficient number, since it is larger than the sum of its proper divisors (338811).

564645 is a wasteful number, since it uses less digits than its factorization.

564645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37651.

The product of its digits is 14400, while the sum is 30.

The square root of 564645 is about 751.4286393264. The cubic root of 564645 is about 82.6529760395.

The spelling of 564645 in words is "five hundred sixty-four thousand, six hundred forty-five".