448041857 has 2 divisors, whose sum is σ = 448041858. Its totient is φ = 448041856.

The previous prime is 448041779. The next prime is 448041871. The reversal of 448041857 is 758140844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228735376 + 219306481 = 15124^2 + 14809^2 .

It is a cyclic number.

It is not a de Polignac number, because 448041857 - 2¹⁸ = 447779713 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (448047857) 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, 224020928 + 224020929.

It is an arithmetic number, because the mean of its divisors is an integer number (224020929).

Almost surely, 2^448041857 is an apocalyptic number.

It is an amenable number.

448041857 is a deficient number, since it is larger than the sum of its proper divisors (1).

448041857 is an equidigital number, since it uses as much as digits as its factorization.

448041857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 448041857 is about 21166.9992441064. Note that the first 3 decimals coincide. The cubic root of 448041857 is about 765.1963025932.

The spelling of 448041857 in words is "four hundred forty-eight million, forty-one thousand, eight hundred fifty-seven".