450738251 has 2 divisors, whose sum is σ = 450738252. Its totient is φ = 450738250.

The previous prime is 450738227. The next prime is 450738259. The reversal of 450738251 is 152837054.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450738251 - 2¹⁸ = 450476107 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (450738259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225369125 + 225369126.

It is an arithmetic number, because the mean of its divisors is an integer number (225369126).

Almost surely, 2^450738251 is an apocalyptic number.

450738251 is a deficient number, since it is larger than the sum of its proper divisors (1).

450738251 is an equidigital number, since it uses as much as digits as its factorization.

450738251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 450738251 is about 21230.5970476574. The cubic root of 450738251 is about 766.7282617389.

The spelling of 450738251 in words is "four hundred fifty million, seven hundred thirty-eight thousand, two hundred fifty-one".