630010481 has 2 divisors, whose sum is σ = 630010482. Its totient is φ = 630010480.

The previous prime is 630010439. The next prime is 630010483. The reversal of 630010481 is 184010036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529690225 + 100320256 = 23015^2 + 10016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630010481 is a prime.

It is a super-2 number, since 2×630010481² = 793826412339702722, which contains 22 as substring.

Together with 630010483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (630010483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315005240 + 315005241.

It is an arithmetic number, because the mean of its divisors is an integer number (315005241).

Almost surely, 2^630010481 is an apocalyptic number.

It is an amenable number.

630010481 is a deficient number, since it is larger than the sum of its proper divisors (1).

630010481 is an equidigital number, since it uses as much as digits as its factorization.

630010481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 630010481 is about 25100.0095816715. The cubic root of 630010481 is about 857.2666421530.

The spelling of 630010481 in words is "six hundred thirty million, ten thousand, four hundred eighty-one".