563161979 has 2 divisors, whose sum is σ = 563161980. Its totient is φ = 563161978.

The previous prime is 563161871. The next prime is 563161987. The reversal of 563161979 is 979161365.

It is a happy number.

563161979 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 not a de Polignac number, because 563161979 - 2¹² = 563157883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (563161579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281580989 + 281580990.

It is an arithmetic number, because the mean of its divisors is an integer number (281580990).

Almost surely, 2^563161979 is an apocalyptic number.

563161979 is a deficient number, since it is larger than the sum of its proper divisors (1).

563161979 is an equidigital number, since it uses as much as digits as its factorization.

563161979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 47.

The square root of 563161979 is about 23731.0340904058. The cubic root of 563161979 is about 825.8055084610.

The spelling of 563161979 in words is "five hundred sixty-three million, one hundred sixty-one thousand, nine hundred seventy-nine".