566801 has 4 divisors (see below), whose sum is σ = 571392. Its totient is φ = 562212.

The previous prime is 566791. The next prime is 566821. The reversal of 566801 is 108665.

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 566801 - 2⁶ = 566737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105 + ... + 2358.

It is an arithmetic number, because the mean of its divisors is an integer number (142848).

2⁵⁶⁶⁸⁰¹ is an apocalyptic number.

It is an amenable number.

566801 is a deficient number, since it is larger than the sum of its proper divisors (4591).

566801 is a wasteful number, since it uses less digits than its factorization.

566801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 566801 is about 752.8618731215. The cubic root of 566801 is about 82.7580411617.

The spelling of 566801 in words is "five hundred sixty-six thousand, eight hundred one".