630560234 has 4 divisors (see below), whose sum is σ = 945840354. Its totient is φ = 315280116.

The previous prime is 630560221. The next prime is 630560263. The reversal of 630560234 is 432065036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 630261025 + 299209 = 25105^2 + 547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 630560197 and 630560206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157640057 + ... + 157640060.

Almost surely, 2^630560234 is an apocalyptic number.

630560234 is a deficient number, since it is larger than the sum of its proper divisors (315280120).

630560234 is a wasteful number, since it uses less digits than its factorization.

630560234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315280119.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 630560234 is about 25110.9584444720. The cubic root of 630560234 is about 857.5159226049.

The spelling of 630560234 in words is "six hundred thirty million, five hundred sixty thousand, two hundred thirty-four".