71411 has 2 divisors, whose sum is σ = 71412. Its totient is φ = 71410.
The previous prime is 71399. The next prime is 71413. The reversal of 71411 is 11417.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 71411 - 26 = 71347 is a prime.
Together with 71413, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (71413) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35705 + 35706.
It is an arithmetic number, because the mean of its divisors is an integer number (35706).
271411 is an apocalyptic number.
71411 is a deficient number, since it is larger than the sum of its proper divisors (1).
71411 is an equidigital number, since it uses as much as digits as its factorization.
71411 is an evil number, because the sum of its binary digits is even.
The product of its digits is 28, while the sum is 14.
The square root of 71411 is about 267.2283667577. The cubic root of 71411 is about 41.4879241005.
Adding to 71411 its reverse (11417), we get a palindrome (82828).
The spelling of 71411 in words is "seventy-one thousand, four hundred eleven", and thus it is an iban number.
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