630134567 has 2 divisors, whose sum is σ = 630134568. Its totient is φ = 630134566.

The previous prime is 630134539. The next prime is 630134623. The reversal of 630134567 is 765431036.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630134567 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630134537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315067283 + 315067284.

It is an arithmetic number, because the mean of its divisors is an integer number (315067284).

Almost surely, 2^630134567 is an apocalyptic number.

630134567 is a deficient number, since it is larger than the sum of its proper divisors (1).

630134567 is an equidigital number, since it uses as much as digits as its factorization.

630134567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 630134567 is about 25102.4812916970. The cubic root of 630134567 is about 857.3229204789.

The spelling of 630134567 in words is "six hundred thirty million, one hundred thirty-four thousand, five hundred sixty-seven".