566997 has 4 divisors (see below), whose sum is σ = 756000. Its totient is φ = 377996.

The previous prime is 566987. The next prime is 566999. The reversal of 566997 is 799665.

566997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 566997 - 2¹⁰ = 565973 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 566997.

It is not an unprimeable number, because it can be changed into a prime (566999) 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, 94497 + ... + 94502.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

2⁵⁶⁶⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

566997 is a deficient number, since it is larger than the sum of its proper divisors (189003).

566997 is a wasteful number, since it uses less digits than its factorization.

566997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189002.

The product of its digits is 102060, while the sum is 42.

The square root of 566997 is about 752.9920318304. The cubic root of 566997 is about 82.7675793164.

The spelling of 566997 in words is "five hundred sixty-six thousand, nine hundred ninety-seven".