630413237 has 2 divisors, whose sum is σ = 630413238. Its totient is φ = 630413236.

The previous prime is 630413197. The next prime is 630413243. The reversal of 630413237 is 732314036.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 510488836 + 119924401 = 22594^2 + 10951^2 .

It is a cyclic number.

It is not a de Polignac number, because 630413237 - 2¹² = 630409141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630413257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315206618 + 315206619.

It is an arithmetic number, because the mean of its divisors is an integer number (315206619).

Almost surely, 2^630413237 is an apocalyptic number.

It is an amenable number.

630413237 is a deficient number, since it is larger than the sum of its proper divisors (1).

630413237 is an equidigital number, since it uses as much as digits as its factorization.

630413237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 630413237 is about 25108.0313246579. The cubic root of 630413237 is about 857.4492823604.

The spelling of 630413237 in words is "six hundred thirty million, four hundred thirteen thousand, two hundred thirty-seven".