449256593 has 2 divisors, whose sum is σ = 449256594. Its totient is φ = 449256592.

The previous prime is 449256583. The next prime is 449256601. The reversal of 449256593 is 395652944.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431683729 + 17572864 = 20777^2 + 4192^2 .

It is a cyclic number.

It is not a de Polignac number, because 449256593 - 2¹⁸ = 448994449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (449256583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224628296 + 224628297.

It is an arithmetic number, because the mean of its divisors is an integer number (224628297).

Almost surely, 2^449256593 is an apocalyptic number.

It is an amenable number.

449256593 is a deficient number, since it is larger than the sum of its proper divisors (1).

449256593 is an equidigital number, since it uses as much as digits as its factorization.

449256593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 47.

The square root of 449256593 is about 21195.6739218172. The cubic root of 449256593 is about 765.8872147705.

The spelling of 449256593 in words is "four hundred forty-nine million, two hundred fifty-six thousand, five hundred ninety-three".