630676351 has 4 divisors (see below), whose sum is σ = 630729400. Its totient is φ = 630623304.

The previous prime is 630676337. The next prime is 630676357. The reversal of 630676351 is 153676036.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 630676351 - 2⁷ = 630676223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630676351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630676357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460 + ... + 35518.

It is an arithmetic number, because the mean of its divisors is an integer number (157682350).

Almost surely, 2^630676351 is an apocalyptic number.

630676351 is a deficient number, since it is larger than the sum of its proper divisors (53049).

630676351 is a wasteful number, since it uses less digits than its factorization.

630676351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53048.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 630676351 is about 25113.2704162560. The cubic root of 630676351 is about 857.5685562576.

The spelling of 630676351 in words is "six hundred thirty million, six hundred seventy-six thousand, three hundred fifty-one".