81062 has 4 divisors (see below), whose sum is σ = 121596. Its totient is φ = 40530.

The previous prime is 81049. The next prime is 81071. The reversal of 81062 is 26018.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26018 = 2 ⋅13009.

It is a self number, because there is not a number n which added to its sum of digits gives 81062.

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 81062.

It is an unprimeable number.

81062 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20264 + ... + 20267.

It is an arithmetic number, because the mean of its divisors is an integer number (30399).

2⁸¹⁰⁶² is an apocalyptic number.

81062 is a deficient number, since it is larger than the sum of its proper divisors (40534).

81062 is a wasteful number, since it uses less digits than its factorization.

81062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40533.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 81062 is about 284.7138914770. The cubic root of 81062 is about 43.2785237349.

The spelling of 81062 in words is "eighty-one thousand, sixty-two".