630134539 has 2 divisors, whose sum is σ = 630134540. Its totient is φ = 630134538.

The previous prime is 630134537. The next prime is 630134567. The reversal of 630134539 is 935431036.

630134539 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 not a de Polignac number, because 630134539 - 2¹ = 630134537 is a prime.

Together with 630134537, it forms a pair of twin primes.

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, 315067269 + 315067270.

It is an arithmetic number, because the mean of its divisors is an integer number (315067270).

Almost surely, 2^630134539 is an apocalyptic number.

630134539 is a deficient number, since it is larger than the sum of its proper divisors (1).

630134539 is an equidigital number, since it uses as much as digits as its factorization.

630134539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 630134539 is about 25102.4807339832. The cubic root of 630134539 is about 857.3229077806.

The spelling of 630134539 in words is "six hundred thirty million, one hundred thirty-four thousand, five hundred thirty-nine".