82471 has 2 divisors, whose sum is σ = 82472. Its totient is φ = 82470.

The previous prime is 82469. The next prime is 82483. The reversal of 82471 is 17428.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82471 - 2¹ = 82469 is a prime.

It is a super-3 number, since 3×82471³ = 1682771068119333, which contains 333 as substring.

Together with 82469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41235 + 41236.

It is an arithmetic number, because the mean of its divisors is an integer number (41236).

2⁸²⁴⁷¹ is an apocalyptic number.

82471 is a deficient number, since it is larger than the sum of its proper divisors (1).

82471 is an equidigital number, since it uses as much as digits as its factorization.

82471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 22.

The square root of 82471 is about 287.1776453696. The cubic root of 82471 is about 43.5278370289.

Adding to 82471 its reverse (17428), we get a palindrome (99899).

The spelling of 82471 in words is "eighty-two thousand, four hundred seventy-one".