630051563 has 2 divisors, whose sum is σ = 630051564. Its totient is φ = 630051562.

The previous prime is 630051553. The next prime is 630051677. The reversal of 630051563 is 365150036.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630051563 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (630051553) 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, 315025781 + 315025782.

It is an arithmetic number, because the mean of its divisors is an integer number (315025782).

Almost surely, 2^630051563 is an apocalyptic number.

630051563 is a deficient number, since it is larger than the sum of its proper divisors (1).

630051563 is an equidigital number, since it uses as much as digits as its factorization.

630051563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 630051563 is about 25100.8279345523. The cubic root of 630051563 is about 857.2852754212.

The spelling of 630051563 in words is "six hundred thirty million, fifty-one thousand, five hundred sixty-three".