85411 has 2 divisors, whose sum is σ = 85412.
Its totient is φ = 85410.
The previous prime is 85381. The next prime is 85427. The reversal of 85411 is 11458.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-85411 is a prime.
It is a nialpdrome in base 10.
It is not a weakly prime, because it can be changed into another prime (85451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42705 + 42706.
It is an arithmetic number, because the mean of its divisors is an integer number (42706).
285411 is an apocalyptic number.
85411 is a deficient number, since it is larger than the sum of its proper divisors (1).
85411 is an equidigital number, since it uses as much as digits as its factorization.
85411 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 160, while the sum is 19.
The square root of 85411 is about 292.2516039306.
The cubic root of 85411 is about 44.0390493561.
Adding to 85411 its reverse (11458), we get a palindrome (96869).
It can be divided in two parts, 85 and 411, that added together give a triangular number (496 = T31).
The spelling of 85411 in words is "eighty-five thousand, four hundred eleven".