630242243 has 2 divisors, whose sum is σ = 630242244. Its totient is φ = 630242242.

The previous prime is 630242231. The next prime is 630242279. The reversal of 630242243 is 342242036.

630242243 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 not a de Polignac number, because 630242243 - 2⁴ = 630242227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (630242143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315121121 + 315121122.

It is an arithmetic number, because the mean of its divisors is an integer number (315121122).

Almost surely, 2^630242243 is an apocalyptic number.

630242243 is a deficient number, since it is larger than the sum of its proper divisors (1).

630242243 is an equidigital number, since it uses as much as digits as its factorization.

630242243 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 26.

The square root of 630242243 is about 25104.6259283025. The cubic root of 630242243 is about 857.3717501787.

Adding to 630242243 its reverse (342242036), we get a palindrome (972484279).

The spelling of 630242243 in words is "six hundred thirty million, two hundred forty-two thousand, two hundred forty-three".