630907 has 2 divisors, whose sum is σ = 630908. Its totient is φ = 630906.

The previous prime is 630901. The next prime is 630911. The reversal of 630907 is 709036.

630907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630907 - 2³ = 630899 is a prime.

It is an alternating number because its digits alternate between even and odd.

630907 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (630901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315453 + 315454.

It is an arithmetic number, because the mean of its divisors is an integer number (315454).

2⁶³⁰⁹⁰⁷ is an apocalyptic number.

630907 is a deficient number, since it is larger than the sum of its proper divisors (1).

630907 is an equidigital number, since it uses as much as digits as its factorization.

630907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 630907 is about 794.2965441194. The cubic root of 630907 is about 85.7673085954.

The spelling of 630907 in words is "six hundred thirty thousand, nine hundred seven".