630482231 has 2 divisors, whose sum is σ = 630482232. Its totient is φ = 630482230.

The previous prime is 630482221. The next prime is 630482267. The reversal of 630482231 is 132284036.

630482231 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 a de Polignac number, because none of the positive numbers 2^k-630482231 is a prime.

It is a super-2 number, since 2×630482231² = 795015687213474722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630482194 and 630482203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630482221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315241115 + 315241116.

It is an arithmetic number, because the mean of its divisors is an integer number (315241116).

Almost surely, 2^630482231 is an apocalyptic number.

630482231 is a deficient number, since it is larger than the sum of its proper divisors (1).

630482231 is an equidigital number, since it uses as much as digits as its factorization.

630482231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 630482231 is about 25109.4052299134. The cubic root of 630482231 is about 857.4805616834.

The spelling of 630482231 in words is "six hundred thirty million, four hundred eighty-two thousand, two hundred thirty-one".