448522913 has 2 divisors, whose sum is σ = 448522914. Its totient is φ = 448522912.

The previous prime is 448522891. The next prime is 448522939. The reversal of 448522913 is 319225844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397085329 + 51437584 = 19927^2 + 7172^2 .

It is a cyclic number.

It is not a de Polignac number, because 448522913 - 2²⁴ = 431745697 is a prime.

It is a Chen prime.

It is equal to p_23778911 and since 448522913 and 23778911 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (448522993) 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, 224261456 + 224261457.

It is an arithmetic number, because the mean of its divisors is an integer number (224261457).

Almost surely, 2^448522913 is an apocalyptic number.

It is an amenable number.

448522913 is a deficient number, since it is larger than the sum of its proper divisors (1).

448522913 is an equidigital number, since it uses as much as digits as its factorization.

448522913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 448522913 is about 21178.3595445917. The cubic root of 448522913 is about 765.4700646709.

The spelling of 448522913 in words is "four hundred forty-eight million, five hundred twenty-two thousand, nine hundred thirteen".