563663 has 2 divisors, whose sum is σ = 563664. Its totient is φ = 563662.

The previous prime is 563657. The next prime is 563723. The reversal of 563663 is 366365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563663 - 2⁶ = 563599 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281831 + 281832.

It is an arithmetic number, because the mean of its divisors is an integer number (281832).

2⁵⁶³⁶⁶³ is an apocalyptic number.

563663 is a deficient number, since it is larger than the sum of its proper divisors (1).

563663 is an equidigital number, since it uses as much as digits as its factorization.

563663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 29.

The square root of 563663 is about 750.7749329859. The cubic root of 563663 is about 82.6050330425.

The spelling of 563663 in words is "five hundred sixty-three thousand, six hundred sixty-three".