82448917 has 2 divisors, whose sum is σ = 82448918. Its totient is φ = 82448916.

The previous prime is 82448893. The next prime is 82448921. The reversal of 82448917 is 71984428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67749361 + 14699556 = 8231^2 + 3834^2 .

It is a cyclic number.

It is not a de Polignac number, because 82448917 - 2⁷ = 82448789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82448117) 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, 41224458 + 41224459.

It is an arithmetic number, because the mean of its divisors is an integer number (41224459).

Almost surely, 2^82448917 is an apocalyptic number.

It is an amenable number.

82448917 is a deficient number, since it is larger than the sum of its proper divisors (1).

82448917 is an equidigital number, since it uses as much as digits as its factorization.

82448917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 43.

The square root of 82448917 is about 9080.1386002638. The cubic root of 82448917 is about 435.2395157815.

It can be divided in two parts, 8244 and 8917, that added together give a square (17161 = 131²).

The spelling of 82448917 in words is "eighty-two million, four hundred forty-eight thousand, nine hundred seventeen".