630207133 has 2 divisors, whose sum is σ = 630207134. Its totient is φ = 630207132.

The previous prime is 630207121. The next prime is 630207139. The reversal of 630207133 is 331702036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537219684 + 92987449 = 23178^2 + 9643^2 .

It is a cyclic number.

It is not a de Polignac number, because 630207133 - 2²¹ = 628109981 is a prime.

It is a super-2 number, since 2×630207133² = 794322060968159378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630207098 and 630207107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630207139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315103566 + 315103567.

It is an arithmetic number, because the mean of its divisors is an integer number (315103567).

Almost surely, 2^630207133 is an apocalyptic number.

It is an amenable number.

630207133 is a deficient number, since it is larger than the sum of its proper divisors (1).

630207133 is an equidigital number, since it uses as much as digits as its factorization.

630207133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 630207133 is about 25103.9266450490. The cubic root of 630207133 is about 857.3558288503.

Adding to 630207133 its reverse (331702036), we get a palindrome (961909169).

The spelling of 630207133 in words is "six hundred thirty million, two hundred seven thousand, one hundred thirty-three".