630540230 has 32 divisors (see below), whose sum is σ = 1169743680. Its totient is φ = 244564480.

The previous prime is 630540227. The next prime is 630540233. The reversal of 630540230 is 32045036.

630540230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (630540227) and next prime (630540233).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 630540196 and 630540205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630540233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63866 + ... + 73074.

It is an arithmetic number, because the mean of its divisors is an integer number (36554490).

Almost surely, 2^630540230 is an apocalyptic number.

630540230 is a deficient number, since it is larger than the sum of its proper divisors (539203450).

630540230 is a wasteful number, since it uses less digits than its factorization.

630540230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9424.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 630540230 is about 25110.5601291568. The cubic root of 630540230 is about 857.5068545154.

Adding to 630540230 its reverse (32045036), we get a palindrome (662585266).

The spelling of 630540230 in words is "six hundred thirty million, five hundred forty thousand, two hundred thirty".