82003171 has 2 divisors, whose sum is σ = 82003172. Its totient is φ = 82003170.

The previous prime is 82003169. The next prime is 82003177. The reversal of 82003171 is 17130028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82003171 - 2¹ = 82003169 is a prime.

Together with 82003169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (82003177) 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, 41001585 + 41001586.

It is an arithmetic number, because the mean of its divisors is an integer number (41001586).

Almost surely, 2^82003171 is an apocalyptic number.

82003171 is a deficient number, since it is larger than the sum of its proper divisors (1).

82003171 is an equidigital number, since it uses as much as digits as its factorization.

82003171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 82003171 is about 9055.5602256293. The cubic root of 82003171 is about 434.4537486473.

Adding to 82003171 its reverse (17130028), we get a palindrome (99133199).

The spelling of 82003171 in words is "eighty-two million, three thousand, one hundred seventy-one".