565807967 has 2 divisors, whose sum is σ = 565807968. Its totient is φ = 565807966.

The previous prime is 565807901. The next prime is 565807993. The reversal of 565807967 is 769708565.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 565807967 - 2¹² = 565803871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565807997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282903983 + 282903984.

It is an arithmetic number, because the mean of its divisors is an integer number (282903984).

Almost surely, 2^565807967 is an apocalyptic number.

565807967 is a deficient number, since it is larger than the sum of its proper divisors (1).

565807967 is an equidigital number, since it uses as much as digits as its factorization.

565807967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The square root of 565807967 is about 23786.7182898356. The cubic root of 565807967 is about 827.0968232767.

The spelling of 565807967 in words is "five hundred sixty-five million, eight hundred seven thousand, nine hundred sixty-seven".