81083301 has 16 divisors (see below), whose sum is σ = 116940096. Its totient is φ = 49677696.

The previous prime is 81083297. The next prime is 81083323. The reversal of 81083301 is 10338018.

It is not a de Polignac number, because 81083301 - 2² = 81083297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81083371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4626 + ... + 13548.

It is an arithmetic number, because the mean of its divisors is an integer number (7308756).

Almost surely, 2^81083301 is an apocalyptic number.

It is an amenable number.

81083301 is a deficient number, since it is larger than the sum of its proper divisors (35856795).

81083301 is a wasteful number, since it uses less digits than its factorization.

81083301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9172.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 81083301 is about 9004.6266441202. The cubic root of 81083301 is about 432.8231422902.

The spelling of 81083301 in words is "eighty-one million, eighty-three thousand, three hundred one".