630046453 has 2 divisors, whose sum is σ = 630046454. Its totient is φ = 630046452.

The previous prime is 630046433. The next prime is 630046499. The reversal of 630046453 is 354640036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466257649 + 163788804 = 21593^2 + 12798^2 .

It is a cyclic number.

It is not a de Polignac number, because 630046453 - 2²⁵ = 596492021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630046433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315023226 + 315023227.

It is an arithmetic number, because the mean of its divisors is an integer number (315023227).

Almost surely, 2^630046453 is an apocalyptic number.

It is an amenable number.

630046453 is a deficient number, since it is larger than the sum of its proper divisors (1).

630046453 is an equidigital number, since it uses as much as digits as its factorization.

630046453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 630046453 is about 25100.7261448748. The cubic root of 630046453 is about 857.2829577593.

Adding to 630046453 its reverse (354640036), we get a palindrome (984686489).

The spelling of 630046453 in words is "six hundred thirty million, forty-six thousand, four hundred fifty-three".