630967 has 2 divisors, whose sum is σ = 630968. Its totient is φ = 630966.

The previous prime is 630941. The next prime is 630997. The reversal of 630967 is 769036.

630967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630967 is a prime.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315483 + 315484.

It is an arithmetic number, because the mean of its divisors is an integer number (315484).

2⁶³⁰⁹⁶⁷ is an apocalyptic number.

630967 is a deficient number, since it is larger than the sum of its proper divisors (1).

630967 is an equidigital number, since it uses as much as digits as its factorization.

630967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 630967 is about 794.3343124907. The cubic root of 630967 is about 85.7700273666.

The spelling of 630967 in words is "six hundred thirty thousand, nine hundred sixty-seven".