81059341 has 16 divisors (see below), whose sum is σ = 91272960. Its totient is φ = 71340480.

The previous prime is 81059299. The next prime is 81059353. The reversal of 81059341 is 14395018.

It is a cyclic number.

It is not a de Polignac number, because 81059341 - 2¹¹ = 81057293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81059371) 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, 112380 + ... + 113098.

It is an arithmetic number, because the mean of its divisors is an integer number (5704560).

Almost surely, 2^81059341 is an apocalyptic number.

It is an amenable number.

81059341 is a deficient number, since it is larger than the sum of its proper divisors (10213619).

81059341 is a wasteful number, since it uses less digits than its factorization.

81059341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 81059341 is about 9003.2961186445. The cubic root of 81059341 is about 432.7805052161.

The spelling of 81059341 in words is "eighty-one million, fifty-nine thousand, three hundred forty-one".