630452297 has 2 divisors, whose sum is σ = 630452298. Its totient is φ = 630452296.

The previous prime is 630452279. The next prime is 630452353. The reversal of 630452297 is 792254036.

Together with previous prime (630452279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 465869056 + 164583241 = 21584^2 + 12829^2 .

It is a cyclic number.

It is not a de Polignac number, because 630452297 - 2⁶ = 630452233 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630452297.

It is not a weakly prime, because it can be changed into another prime (630412297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315226148 + 315226149.

It is an arithmetic number, because the mean of its divisors is an integer number (315226149).

Almost surely, 2^630452297 is an apocalyptic number.

It is an amenable number.

630452297 is a deficient number, since it is larger than the sum of its proper divisors (1).

630452297 is an equidigital number, since it uses as much as digits as its factorization.

630452297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 630452297 is about 25108.8091513716. The cubic root of 630452297 is about 857.4669909973.

The spelling of 630452297 in words is "six hundred thirty million, four hundred fifty-two thousand, two hundred ninety-seven".