630761603 has 2 divisors, whose sum is σ = 630761604. Its totient is φ = 630761602.

The previous prime is 630761587. The next prime is 630761611. The reversal of 630761603 is 306167036.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630761603 - 2⁴ = 630761587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630761603.

It is not a weakly prime, because it can be changed into another prime (630761203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315380801 + 315380802.

It is an arithmetic number, because the mean of its divisors is an integer number (315380802).

Almost surely, 2^630761603 is an apocalyptic number.

630761603 is a deficient number, since it is larger than the sum of its proper divisors (1).

630761603 is an equidigital number, since it uses as much as digits as its factorization.

630761603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 630761603 is about 25114.9677085200. The cubic root of 630761603 is about 857.6071952735.

The spelling of 630761603 in words is "six hundred thirty million, seven hundred sixty-one thousand, six hundred three".