630386563 has 2 divisors, whose sum is σ = 630386564. Its totient is φ = 630386562.

The previous prime is 630386527. The next prime is 630386573. The reversal of 630386563 is 365683036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630386563 - 2¹⁷ = 630255491 is a prime.

It is not a weakly prime, because it can be changed into another prime (630386573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315193281 + 315193282.

It is an arithmetic number, because the mean of its divisors is an integer number (315193282).

Almost surely, 2^630386563 is an apocalyptic number.

630386563 is a deficient number, since it is larger than the sum of its proper divisors (1).

630386563 is an equidigital number, since it uses as much as digits as its factorization.

630386563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 630386563 is about 25107.5001344220. The cubic root of 630386563 is about 857.4371887455.

The spelling of 630386563 in words is "six hundred thirty million, three hundred eighty-six thousand, five hundred sixty-three".