448266517 has 2 divisors, whose sum is σ = 448266518. Its totient is φ = 448266516.

The previous prime is 448266509. The next prime is 448266569. The reversal of 448266517 is 715662844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443776356 + 4490161 = 21066^2 + 2119^2 .

It is a cyclic number.

It is not a de Polignac number, because 448266517 - 2³ = 448266509 is a prime.

It is a super-2 number, since 2×448266517² = 401885740526622578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448266617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224133258 + 224133259.

It is an arithmetic number, because the mean of its divisors is an integer number (224133259).

Almost surely, 2^448266517 is an apocalyptic number.

It is an amenable number.

448266517 is a deficient number, since it is larger than the sum of its proper divisors (1).

448266517 is an equidigital number, since it uses as much as digits as its factorization.

448266517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 448266517 is about 21172.3054247760. The cubic root of 448266517 is about 765.3241777559.

The spelling of 448266517 in words is "four hundred forty-eight million, two hundred sixty-six thousand, five hundred seventeen".