564905 has 8 divisors (see below), whose sum is σ = 739584. Its totient is φ = 410800.

The previous prime is 564899. The next prime is 564917. The reversal of 564905 is 509465.

564905 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 not a de Polignac number, because 564905 - 2¹⁰ = 563881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5081 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (92448).

2⁵⁶⁴⁹⁰⁵ is an apocalyptic number.

564905 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564905 is a deficient number, since it is larger than the sum of its proper divisors (174679).

564905 is a wasteful number, since it uses less digits than its factorization.

564905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 564905 is about 751.6016232021. The cubic root of 564905 is about 82.6656603965.

The spelling of 564905 in words is "five hundred sixty-four thousand, nine hundred five".