630456263 has 2 divisors, whose sum is σ = 630456264. Its totient is φ = 630456262.

The previous prime is 630456193. The next prime is 630456313. The reversal of 630456263 is 362654036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630456263 - 2¹⁸ = 630194119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630456863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315228131 + 315228132.

It is an arithmetic number, because the mean of its divisors is an integer number (315228132).

Almost surely, 2^630456263 is an apocalyptic number.

630456263 is a deficient number, since it is larger than the sum of its proper divisors (1).

630456263 is an equidigital number, since it uses as much as digits as its factorization.

630456263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 630456263 is about 25108.8881275137. Note that the first 3 decimals coincide. The cubic root of 630456263 is about 857.4687890223.

The spelling of 630456263 in words is "six hundred thirty million, four hundred fifty-six thousand, two hundred sixty-three".