566528969 has 2 divisors, whose sum is σ = 566528970. Its totient is φ = 566528968.

The previous prime is 566528933. The next prime is 566528971. The reversal of 566528969 is 969825665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499075600 + 67453369 = 22340^2 + 8213^2 .

It is a cyclic number.

It is not a de Polignac number, because 566528969 - 2¹⁶ = 566463433 is a prime.

It is a super-2 number, since 2×566528969² = 641910145432405922, which contains 22 as substring.

Together with 566528971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (566528269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283264484 + 283264485.

It is an arithmetic number, because the mean of its divisors is an integer number (283264485).

Almost surely, 2^566528969 is an apocalyptic number.

It is an amenable number.

566528969 is a deficient number, since it is larger than the sum of its proper divisors (1).

566528969 is an equidigital number, since it uses as much as digits as its factorization.

566528969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 56.

The square root of 566528969 is about 23801.8690232511. The cubic root of 566528969 is about 827.4479938596.

The spelling of 566528969 in words is "five hundred sixty-six million, five hundred twenty-eight thousand, nine hundred sixty-nine".