563503903 has 2 divisors, whose sum is σ = 563503904. Its totient is φ = 563503902.

The previous prime is 563503883. The next prime is 563503939. The reversal of 563503903 is 309305365.

563503903 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 563503903 - 2²¹ = 561406751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563513903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281751951 + 281751952.

It is an arithmetic number, because the mean of its divisors is an integer number (281751952).

Almost surely, 2^563503903 is an apocalyptic number.

563503903 is a deficient number, since it is larger than the sum of its proper divisors (1).

563503903 is an equidigital number, since it uses as much as digits as its factorization.

563503903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 34.

The square root of 563503903 is about 23738.2371502182. The cubic root of 563503903 is about 825.9726040196.

The spelling of 563503903 in words is "five hundred sixty-three million, five hundred three thousand, nine hundred three".