563513903 has 2 divisors, whose sum is σ = 563513904. Its totient is φ = 563513902.

The previous prime is 563513891. The next prime is 563513921. The reversal of 563513903 is 309315365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563513903 - 2⁴ = 563513887 is a prime.

It is equal to p_29516660 and since 563513903 and 29516660 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563513933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281756951 + 281756952.

It is an arithmetic number, because the mean of its divisors is an integer number (281756952).

Almost surely, 2^563513903 is an apocalyptic number.

563513903 is a deficient number, since it is larger than the sum of its proper divisors (1).

563513903 is an equidigital number, since it uses as much as digits as its factorization.

563513903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 35.

The square root of 563513903 is about 23738.4477799202. The cubic root of 563513903 is about 825.9774899231.

The spelling of 563513903 in words is "five hundred sixty-three million, five hundred thirteen thousand, nine hundred three".