630537163 has 2 divisors, whose sum is σ = 630537164. Its totient is φ = 630537162.

The previous prime is 630537161. The next prime is 630537181. The reversal of 630537163 is 361735036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630537163 - 2¹ = 630537161 is a prime.

It is a super-2 number, since 2×630537163² = 795154227848177138, which contains 22 as substring.

Together with 630537161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (630537161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315268581 + 315268582.

It is an arithmetic number, because the mean of its divisors is an integer number (315268582).

Almost surely, 2^630537163 is an apocalyptic number.

630537163 is a deficient number, since it is larger than the sum of its proper divisors (1).

630537163 is an equidigital number, since it uses as much as digits as its factorization.

630537163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 630537163 is about 25110.4990591585. The cubic root of 630537163 is about 857.5054641850.

The spelling of 630537163 in words is "six hundred thirty million, five hundred thirty-seven thousand, one hundred sixty-three".