63563603 has 2 divisors, whose sum is σ = 63563604. Its totient is φ = 63563602.

The previous prime is 63563597. The next prime is 63563623. The reversal of 63563603 is 30636536.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63563603 - 2⁸ = 63563347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63563603.

It is not a weakly prime, because it can be changed into another prime (63563623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31781801 + 31781802.

It is an arithmetic number, because the mean of its divisors is an integer number (31781802).

Almost surely, 2^63563603 is an apocalyptic number.

63563603 is a deficient number, since it is larger than the sum of its proper divisors (1).

63563603 is an equidigital number, since it uses as much as digits as its factorization.

63563603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 32.

The square root of 63563603 is about 7972.6785335921. The cubic root of 63563603 is about 399.0887652879.

The spelling of 63563603 in words is "sixty-three million, five hundred sixty-three thousand, six hundred three".