448522861 has 2 divisors, whose sum is σ = 448522862. Its totient is φ = 448522860.

The previous prime is 448522847. The next prime is 448522871. The reversal of 448522861 is 168225844.

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., 296493961 + 152028900 = 17219^2 + 12330^2 .

It is a cyclic number.

It is not a de Polignac number, because 448522861 - 2⁵ = 448522829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448522801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224261430 + 224261431.

It is an arithmetic number, because the mean of its divisors is an integer number (224261431).

Almost surely, 2^448522861 is an apocalyptic number.

It is an amenable number.

448522861 is a deficient number, since it is larger than the sum of its proper divisors (1).

448522861 is an equidigital number, since it uses as much as digits as its factorization.

448522861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122880, while the sum is 40.

The square root of 448522861 is about 21178.3583169234. The cubic root of 448522861 is about 765.4700350890.

The spelling of 448522861 in words is "four hundred forty-eight million, five hundred twenty-two thousand, eight hundred sixty-one".