455247449 has 2 divisors, whose sum is σ = 455247450. Its totient is φ = 455247448.

The previous prime is 455247433. The next prime is 455247461. The reversal of 455247449 is 944742554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293779600 + 161467849 = 17140^2 + 12707^2 .

It is a cyclic number.

It is not a de Polignac number, because 455247449 - 2⁴ = 455247433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (455247469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227623724 + 227623725.

It is an arithmetic number, because the mean of its divisors is an integer number (227623725).

Almost surely, 2^455247449 is an apocalyptic number.

It is an amenable number.

455247449 is a deficient number, since it is larger than the sum of its proper divisors (1).

455247449 is an equidigital number, since it uses as much as digits as its factorization.

455247449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 44.

The square root of 455247449 is about 21336.5285133266. The cubic root of 455247449 is about 769.2765730297.

The spelling of 455247449 in words is "four hundred fifty-five million, two hundred forty-seven thousand, four hundred forty-nine".