81083282 has 16 divisors (see below), whose sum is σ = 139128192. Its totient is φ = 34717920.

The previous prime is 81083273. The next prime is 81083297. The reversal of 81083282 is 28238018.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19238 + ... + 23070.

It is an arithmetic number, because the mean of its divisors is an integer number (8695512).

Almost surely, 2^81083282 is an apocalyptic number.

81083282 is a deficient number, since it is larger than the sum of its proper divisors (58044910).

81083282 is a wasteful number, since it uses less digits than its factorization.

81083282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 81083282 is about 9004.6255891070. The cubic root of 81083282 is about 432.8231084829.

The spelling of 81083282 in words is "eighty-one million, eighty-three thousand, two hundred eighty-two".