563320243 has 2 divisors, whose sum is σ = 563320244. Its totient is φ = 563320242.

The previous prime is 563320237. The next prime is 563320283. The reversal of 563320243 is 342023365.

563320243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563320243 - 2¹⁷ = 563189171 is a prime.

It is not a weakly prime, because it can be changed into another prime (563320213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281660121 + 281660122.

It is an arithmetic number, because the mean of its divisors is an integer number (281660122).

Almost surely, 2^563320243 is an apocalyptic number.

563320243 is a deficient number, since it is larger than the sum of its proper divisors (1).

563320243 is an equidigital number, since it uses as much as digits as its factorization.

563320243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 563320243 is about 23734.3683926916. The cubic root of 563320243 is about 825.8828592332.

The spelling of 563320243 in words is "five hundred sixty-three million, three hundred twenty thousand, two hundred forty-three".