630280233 has 24 divisors (see below), whose sum is σ = 995413536. Its totient is φ = 381124800.

The previous prime is 630280223. The next prime is 630280241. The reversal of 630280233 is 332082036.

630280233 is a `hidden beast` number, since 630 + 2 + 8 + 0 + 23 + 3 = 666.

It is not a de Polignac number, because 630280233 - 2⁸ = 630279977 is a prime.

It is a super-2 number, since 2×630280233² = 794506344221068578, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 630280197 and 630280206.

It is not an unprimeable number, because it can be changed into a prime (630280223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38278 + ... + 52208.

It is an arithmetic number, because the mean of its divisors is an integer number (41475564).

Almost surely, 2^630280233 is an apocalyptic number.

It is an amenable number.

630280233 is a deficient number, since it is larger than the sum of its proper divisors (365133303).

630280233 is a wasteful number, since it uses less digits than its factorization.

630280233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14405 (or 14402 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 630280233 is about 25105.3825503616. The cubic root of 630280233 is about 857.3889768344.

The spelling of 630280233 in words is "six hundred thirty million, two hundred eighty thousand, two hundred thirty-three".