564506 has 4 divisors (see below), whose sum is σ = 846762. Its totient is φ = 282252.

The previous prime is 564497. The next prime is 564523. The reversal of 564506 is 605465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 477481 + 87025 = 691^2 + 295^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141125 + ... + 141128.

2⁵⁶⁴⁵⁰⁶ is an apocalyptic number.

564506 is a deficient number, since it is larger than the sum of its proper divisors (282256).

564506 is a wasteful number, since it uses less digits than its factorization.

564506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282255.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 564506 is about 751.3361431477. The cubic root of 564506 is about 82.6461931898.

The spelling of 564506 in words is "five hundred sixty-four thousand, five hundred six".