630450241 has 2 divisors, whose sum is σ = 630450242. Its totient is φ = 630450240.

The previous prime is 630450199. The next prime is 630450277. The reversal of 630450241 is 142054036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496353841 + 134096400 = 22279^2 + 11580^2 .

It is a cyclic number.

It is not a de Polignac number, because 630450241 - 2¹⁷ = 630319169 is a prime.

It is not a weakly prime, because it can be changed into another prime (630450641) 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, 315225120 + 315225121.

It is an arithmetic number, because the mean of its divisors is an integer number (315225121).

Almost surely, 2^630450241 is an apocalyptic number.

It is an amenable number.

630450241 is a deficient number, since it is larger than the sum of its proper divisors (1).

630450241 is an equidigital number, since it uses as much as digits as its factorization.

630450241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 630450241 is about 25108.7682095319. The cubic root of 630450241 is about 857.4660588866.

The spelling of 630450241 in words is "six hundred thirty million, four hundred fifty thousand, two hundred forty-one".