81035 has 8 divisors (see below), whose sum is σ = 102480. Its totient is φ = 61344.

The previous prime is 81031. The next prime is 81041. The reversal of 81035 is 53018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 81035 - 2² = 81031 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 81035.

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 7 ways as a sum of consecutive naturals, for example, 332 + ... + 521.

It is an arithmetic number, because the mean of its divisors is an integer number (12810).

2⁸¹⁰³⁵ is an apocalyptic number.

81035 is a deficient number, since it is larger than the sum of its proper divisors (21445).

81035 is a wasteful number, since it uses less digits than its factorization.

81035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 81035 is about 284.6664715066. Note that the first 3 decimals coincide. The cubic root of 81035 is about 43.2737181544.

Subtracting from 81035 its sum of digits (17), we obtain a palindrome (81018).

The spelling of 81035 in words is "eighty-one thousand, thirty-five".