565979 has 2 divisors, whose sum is σ = 565980. Its totient is φ = 565978.

The previous prime is 565973. The next prime is 565997. The reversal of 565979 is 979565.

565979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (565997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 565979 - 2⁸ = 565723 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (565973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282989 + 282990.

It is an arithmetic number, because the mean of its divisors is an integer number (282990).

2⁵⁶⁵⁹⁷⁹ is an apocalyptic number.

565979 is a deficient number, since it is larger than the sum of its proper divisors (1).

565979 is an equidigital number, since it uses as much as digits as its factorization.

565979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 41.

The square root of 565979 is about 752.3157581760. The cubic root of 565979 is about 82.7180153433.

The spelling of 565979 in words is "five hundred sixty-five thousand, nine hundred seventy-nine".