566897 has 4 divisors (see below), whose sum is σ = 585216. Its totient is φ = 548580.

The previous prime is 566879. The next prime is 566911. The reversal of 566897 is 798665.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 566897 - 2⁶ = 566833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9113 + ... + 9174.

It is an arithmetic number, because the mean of its divisors is an integer number (146304).

2⁵⁶⁶⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

566897 is a deficient number, since it is larger than the sum of its proper divisors (18319).

566897 is a wasteful number, since it uses less digits than its factorization.

566897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18318.

The product of its digits is 90720, while the sum is 41.

The square root of 566897 is about 752.9256271372. The cubic root of 566897 is about 82.7627131856.

The spelling of 566897 in words is "five hundred sixty-six thousand, eight hundred ninety-seven".