449225897 has 2 divisors, whose sum is σ = 449225898. Its totient is φ = 449225896.

The previous prime is 449225869. The next prime is 449225923. The reversal of 449225897 is 798522944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364199056 + 85026841 = 19084^2 + 9221^2 .

It is a cyclic number.

It is not a de Polignac number, because 449225897 - 2²⁰ = 448177321 is a prime.

It is not a weakly prime, because it can be changed into another prime (449225197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224612948 + 224612949.

It is an arithmetic number, because the mean of its divisors is an integer number (224612949).

Almost surely, 2^449225897 is an apocalyptic number.

It is an amenable number.

449225897 is a deficient number, since it is larger than the sum of its proper divisors (1).

449225897 is an equidigital number, since it uses as much as digits as its factorization.

449225897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 449225897 is about 21194.9497994216. The cubic root of 449225897 is about 765.8697709832.

The spelling of 449225897 in words is "four hundred forty-nine million, two hundred twenty-five thousand, eight hundred ninety-seven".