448117081 has 2 divisors, whose sum is σ = 448117082. Its totient is φ = 448117080.

The previous prime is 448117051. The next prime is 448117097. The reversal of 448117081 is 180711844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 416813056 + 31304025 = 20416^2 + 5595^2 .

It is a cyclic number.

It is not a de Polignac number, because 448117081 - 2⁵ = 448117049 is a prime.

It is a super-2 number, since 2×448117081² = 401617836567921122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (448117001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224058540 + 224058541.

It is an arithmetic number, because the mean of its divisors is an integer number (224058541).

Almost surely, 2^448117081 is an apocalyptic number.

It is an amenable number.

448117081 is a deficient number, since it is larger than the sum of its proper divisors (1).

448117081 is an equidigital number, since it uses as much as digits as its factorization.

448117081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 448117081 is about 21168.7760864912. The cubic root of 448117081 is about 765.2391244149.

The spelling of 448117081 in words is "four hundred forty-eight million, one hundred seventeen thousand, eighty-one".