565884971 has 2 divisors, whose sum is σ = 565884972. Its totient is φ = 565884970.

The previous prime is 565884947. The next prime is 565884973. The reversal of 565884971 is 179488565.

565884971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-565884971 is a prime.

Together with 565884973, 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 (565884973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282942485 + 282942486.

It is an arithmetic number, because the mean of its divisors is an integer number (282942486).

Almost surely, 2^565884971 is an apocalyptic number.

565884971 is a deficient number, since it is larger than the sum of its proper divisors (1).

565884971 is an equidigital number, since it uses as much as digits as its factorization.

565884971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 53.

The square root of 565884971 is about 23788.3368691466. The cubic root of 565884971 is about 827.1343429997.

The spelling of 565884971 in words is "five hundred sixty-five million, eight hundred eighty-four thousand, nine hundred seventy-one".