81034 has 8 divisors (see below), whose sum is σ = 125568. Its totient is φ = 39180.
The previous prime is 81031. The next prime is 81041. The reversal of 81034 is 43018.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 80999 and 81017.
It is not an unprimeable number, because it can be changed into a prime (81031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592 + ... + 715.
It is an arithmetic number, because the mean of its divisors is an integer number (15696).
281034 is an apocalyptic number.
81034 is a deficient number, since it is larger than the sum of its proper divisors (44534).
81034 is a wasteful number, since it uses less digits than its factorization.
81034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1340.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 81034 is about 284.6647150597. The cubic root of 81034 is about 43.2735401495.
Subtracting from 81034 its sum of digits (16), we obtain a palindrome (81018).
The spelling of 81034 in words is "eighty-one thousand, thirty-four".
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