630652073 has 2 divisors, whose sum is σ = 630652074. Its totient is φ = 630652072.

The previous prime is 630652051. The next prime is 630652093. The reversal of 630652073 is 370256036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 574656784 + 55995289 = 23972^2 + 7483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630652073 is a prime.

It is not a weakly prime, because it can be changed into another prime (630652093) 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, 315326036 + 315326037.

It is an arithmetic number, because the mean of its divisors is an integer number (315326037).

Almost surely, 2^630652073 is an apocalyptic number.

It is an amenable number.

630652073 is a deficient number, since it is larger than the sum of its proper divisors (1).

630652073 is an equidigital number, since it uses as much as digits as its factorization.

630652073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 630652073 is about 25112.7870416647. The cubic root of 630652073 is about 857.5575520309.

The spelling of 630652073 in words is "six hundred thirty million, six hundred fifty-two thousand, seventy-three".