82448081 has 2 divisors, whose sum is σ = 82448082. Its totient is φ = 82448080.

The previous prime is 82448063. The next prime is 82448117. The reversal of 82448081 is 18084428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82446400 + 1681 = 9080^2 + 41^2 .

It is a cyclic number.

It is not a de Polignac number, because 82448081 - 2¹⁸ = 82185937 is a prime.

It is a super-2 number, since 2×82448081² = 13595372121165122, which contains 22 as substring.

It is a Chen prime.

It is equal to p_4803965 and since 82448081 and 4803965 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 (82441081) 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, 41224040 + 41224041.

It is an arithmetic number, because the mean of its divisors is an integer number (41224041).

Almost surely, 2^82448081 is an apocalyptic number.

It is an amenable number.

82448081 is a deficient number, since it is larger than the sum of its proper divisors (1).

82448081 is an equidigital number, since it uses as much as digits as its factorization.

82448081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 82448081 is about 9080.0925656075. The cubic root of 82448081 is about 435.2380447233.

The spelling of 82448081 in words is "eighty-two million, four hundred forty-eight thousand, eighty-one".