563475691 has 2 divisors, whose sum is σ = 563475692. Its totient is φ = 563475690.

The previous prime is 563475631. The next prime is 563475707. The reversal of 563475691 is 196574365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563475691 - 2¹¹ = 563473643 is a prime.

It is not a weakly prime, because it can be changed into another prime (563475631) 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, 281737845 + 281737846.

It is an arithmetic number, because the mean of its divisors is an integer number (281737846).

Almost surely, 2^563475691 is an apocalyptic number.

563475691 is a deficient number, since it is larger than the sum of its proper divisors (1).

563475691 is an equidigital number, since it uses as much as digits as its factorization.

563475691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 46.

The square root of 563475691 is about 23737.6429116288. The cubic root of 563475691 is about 825.9588195969.

The spelling of 563475691 in words is "five hundred sixty-three million, four hundred seventy-five thousand, six hundred ninety-one".