563797631 has 2 divisors, whose sum is σ = 563797632. Its totient is φ = 563797630.

The previous prime is 563797547. The next prime is 563797657. The reversal of 563797631 is 136797365.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563797631 is a prime.

It is a super-2 number, since 2×563797631² = 635735537442424322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563797681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281898815 + 281898816.

It is an arithmetic number, because the mean of its divisors is an integer number (281898816).

Almost surely, 2^563797631 is an apocalyptic number.

563797631 is a deficient number, since it is larger than the sum of its proper divisors (1).

563797631 is an equidigital number, since it uses as much as digits as its factorization.

563797631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 47.

The square root of 563797631 is about 23744.4231557644. The cubic root of 563797631 is about 826.1160926083.

The spelling of 563797631 in words is "five hundred sixty-three million, seven hundred ninety-seven thousand, six hundred thirty-one".