449251171 has 2 divisors, whose sum is σ = 449251172. Its totient is φ = 449251170.

The previous prime is 449251139. The next prime is 449251207. The reversal of 449251171 is 171152944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449251171 - 2⁵ = 449251139 is a prime.

It is a super-2 number, since 2×449251171² = 403653229289742482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (449251471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224625585 + 224625586.

It is an arithmetic number, because the mean of its divisors is an integer number (224625586).

Almost surely, 2^449251171 is an apocalyptic number.

449251171 is a deficient number, since it is larger than the sum of its proper divisors (1).

449251171 is an equidigital number, since it uses as much as digits as its factorization.

449251171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 449251171 is about 21195.5460179727. The cubic root of 449251171 is about 765.8841336381.

The spelling of 449251171 in words is "four hundred forty-nine million, two hundred fifty-one thousand, one hundred seventy-one".