630635503 has 2 divisors, whose sum is σ = 630635504. Its totient is φ = 630635502.

The previous prime is 630635477. The next prime is 630635513. The reversal of 630635503 is 305536036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630635503 - 2⁵ = 630635471 is a prime.

It is a super-2 number, since 2×630635503² = 795402275288126018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630635513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315317751 + 315317752.

It is an arithmetic number, because the mean of its divisors is an integer number (315317752).

Almost surely, 2^630635503 is an apocalyptic number.

630635503 is a deficient number, since it is larger than the sum of its proper divisors (1).

630635503 is an equidigital number, since it uses as much as digits as its factorization.

630635503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 31.

The square root of 630635503 is about 25112.4571278877. The cubic root of 630635503 is about 857.5500413639.

The spelling of 630635503 in words is "six hundred thirty million, six hundred thirty-five thousand, five hundred three".