566544001 has 4 divisors (see below), whose sum is σ = 567204400. Its totient is φ = 565883604.

The previous prime is 566543951. The next prime is 566544031. The reversal of 566544001 is 100445665.

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 566544001 - 2¹⁵ = 566511233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566544031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328911 + ... + 330628.

It is an arithmetic number, because the mean of its divisors is an integer number (141801100).

Almost surely, 2^566544001 is an apocalyptic number.

It is an amenable number.

566544001 is a deficient number, since it is larger than the sum of its proper divisors (660399).

566544001 is an equidigital number, since it uses as much as digits as its factorization.

566544001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660398.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 566544001 is about 23802.1847946780. The cubic root of 566544001 is about 827.4553121604.

Adding to 566544001 its reverse (100445665), we get a palindrome (666989666).

The spelling of 566544001 in words is "five hundred sixty-six million, five hundred forty-four thousand, one".