630133697 has 2 divisors, whose sum is σ = 630133698. Its totient is φ = 630133696.

The previous prime is 630133661. The next prime is 630133703. The reversal of 630133697 is 796331036.

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., 553378576 + 76755121 = 23524^2 + 8761^2 .

It is a cyclic number.

It is not a de Polignac number, because 630133697 - 2¹⁸ = 629871553 is a prime.

It is a super-3 number, since 3×630133697³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 630133697.

It is not a weakly prime, because it can be changed into another prime (630133627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315066848 + 315066849.

It is an arithmetic number, because the mean of its divisors is an integer number (315066849).

Almost surely, 2^630133697 is an apocalyptic number.

It is an amenable number.

630133697 is a deficient number, since it is larger than the sum of its proper divisors (1).

630133697 is an equidigital number, since it uses as much as digits as its factorization.

630133697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 630133697 is about 25102.4639627268. The cubic root of 630133697 is about 857.3225259223.

The spelling of 630133697 in words is "six hundred thirty million, one hundred thirty-three thousand, six hundred ninety-seven".