630712603 has 2 divisors, whose sum is σ = 630712604. Its totient is φ = 630712602.

The previous prime is 630712583. The next prime is 630712609. The reversal of 630712603 is 306217036.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630712603 is a prime.

It is not a weakly prime, because it can be changed into another prime (630712609) 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, 315356301 + 315356302.

It is an arithmetic number, because the mean of its divisors is an integer number (315356302).

Almost surely, 2^630712603 is an apocalyptic number.

630712603 is a deficient number, since it is larger than the sum of its proper divisors (1).

630712603 is an equidigital number, since it uses as much as digits as its factorization.

630712603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 630712603 is about 25113.9921756777. The cubic root of 630712603 is about 857.5849872842.

Adding to 630712603 its reverse (306217036), we get a palindrome (936929639).

The spelling of 630712603 in words is "six hundred thirty million, seven hundred twelve thousand, six hundred three".