85183 has 8 divisors (see below), whose sum is σ = 99968. Its totient is φ = 71064.
The previous prime is 85159. The next prime is 85193. The reversal of 85183 is 38158.
It is a Cunningham number, because it is equal to 443-1.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 85183 - 213 = 76991 is a prime.
It is a super-2 number, since 2×851832 = 14512286978, which contains 22 as substring.
It is a Duffinian number.
It is a plaindrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160 + ... + 442.
It is an arithmetic number, because the mean of its divisors is an integer number (12496).
285183 is an apocalyptic number.
85183 is a deficient number, since it is larger than the sum of its proper divisors (14785).
85183 is a wasteful number, since it uses less digits than its factorization.
85183 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 333.
The product of its digits is 960, while the sum is 25.
The square root of 85183 is about 291.8612684136. The cubic root of 85183 is about 43.9998278230. Note that the first 3 decimals are identical.
Subtracting from 85183 its sum of digits (25), we obtain a palindrome (85158).
The spelling of 85183 in words is "eighty-five thousand, one hundred eighty-three".
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