630134277 has 4 divisors (see below), whose sum is σ = 840179040. Its totient is φ = 420089516.

The previous prime is 630134273. The next prime is 630134293. The reversal of 630134277 is 772431036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630134277 - 2² = 630134273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630134273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105022377 + ... + 105022382.

It is an arithmetic number, because the mean of its divisors is an integer number (210044760).

Almost surely, 2^630134277 is an apocalyptic number.

It is an amenable number.

630134277 is a deficient number, since it is larger than the sum of its proper divisors (210044763).

630134277 is a wasteful number, since it uses less digits than its factorization.

630134277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210044762.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 630134277 is about 25102.4755153750. The cubic root of 630134277 is about 857.3227889601.

The spelling of 630134277 in words is "six hundred thirty million, one hundred thirty-four thousand, two hundred seventy-seven".