563160991 has 2 divisors, whose sum is σ = 563160992. Its totient is φ = 563160990.

The previous prime is 563160937. The next prime is 563161019. The reversal of 563160991 is 199061365.

563160991 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-563160991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563160391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281580495 + 281580496.

It is an arithmetic number, because the mean of its divisors is an integer number (281580496).

Almost surely, 2^563160991 is an apocalyptic number.

563160991 is a deficient number, since it is larger than the sum of its proper divisors (1).

563160991 is an equidigital number, since it uses as much as digits as its factorization.

563160991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 563160991 is about 23731.0132737732. The cubic root of 563160991 is about 825.8050255352.

The spelling of 563160991 in words is "five hundred sixty-three million, one hundred sixty thousand, nine hundred ninety-one".