633960563 has 2 divisors, whose sum is σ = 633960564. Its totient is φ = 633960562.

The previous prime is 633960539. The next prime is 633960599. The reversal of 633960563 is 365069336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 633960563 - 2¹² = 633956467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 633960563.

It is not a weakly prime, because it can be changed into another prime (633960533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316980281 + 316980282.

It is an arithmetic number, because the mean of its divisors is an integer number (316980282).

Almost surely, 2^633960563 is an apocalyptic number.

633960563 is a deficient number, since it is larger than the sum of its proper divisors (1).

633960563 is an equidigital number, since it uses as much as digits as its factorization.

633960563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 41.

The square root of 633960563 is about 25178.5734901722. The cubic root of 633960563 is about 859.0545599849.

The spelling of 633960563 in words is "six hundred thirty-three million, nine hundred sixty thousand, five hundred sixty-three".