71471 has 2 divisors, whose sum is σ = 71472. Its totient is φ = 71470.

The previous prime is 71453. The next prime is 71473. The reversal of 71471 is 17417.

It is a strong prime.

It is an emirp because it is prime and its reverse (17417) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71471 is a prime.

It is a super-3 number, since 3×71471³ = 1095243868860333, which contains 333 as substring.

Together with 71473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35735 + 35736.

It is an arithmetic number, because the mean of its divisors is an integer number (35736).

2⁷¹⁴⁷¹ is an apocalyptic number.

71471 is a deficient number, since it is larger than the sum of its proper divisors (1).

71471 is an equidigital number, since it uses as much as digits as its factorization.

71471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 196, while the sum is 20.

The square root of 71471 is about 267.3406067173. The cubic root of 71471 is about 41.4995403249.

Adding to 71471 its reverse (17417), we get a palindrome (88888).

The spelling of 71471 in words is "seventy-one thousand, four hundred seventy-one", and thus it is an iban number.