449225197 has 2 divisors, whose sum is σ = 449225198. Its totient is φ = 449225196.

The previous prime is 449225173. The next prime is 449225219. The reversal of 449225197 is 791522944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337309956 + 111915241 = 18366^2 + 10579^2 .

It is a cyclic number.

It is not a de Polignac number, because 449225197 - 2¹⁹ = 448700909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449225597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224612598 + 224612599.

It is an arithmetic number, because the mean of its divisors is an integer number (224612599).

Almost surely, 2^449225197 is an apocalyptic number.

It is an amenable number.

449225197 is a deficient number, since it is larger than the sum of its proper divisors (1).

449225197 is an equidigital number, since it uses as much as digits as its factorization.

449225197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 449225197 is about 21194.9332860474. The cubic root of 449225197 is about 765.8693731810.

The spelling of 449225197 in words is "four hundred forty-nine million, two hundred twenty-five thousand, one hundred ninety-seven".