563545243 has 2 divisors, whose sum is σ = 563545244. Its totient is φ = 563545242.

The previous prime is 563545207. The next prime is 563545273. The reversal of 563545243 is 342545365.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563545243 is a prime.

It is not a weakly prime, because it can be changed into another prime (563545273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281772621 + 281772622.

It is an arithmetic number, because the mean of its divisors is an integer number (281772622).

Almost surely, 2^563545243 is an apocalyptic number.

563545243 is a deficient number, since it is larger than the sum of its proper divisors (1).

563545243 is an equidigital number, since it uses as much as digits as its factorization.

563545243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 37.

The square root of 563545243 is about 23739.1078813000. The cubic root of 563545243 is about 825.9928019705.

The spelling of 563545243 in words is "five hundred sixty-three million, five hundred forty-five thousand, two hundred forty-three".