9331081 has 4 divisors (see below), whose sum is σ = 9340164. Its totient is φ = 9322000.

The previous prime is 9331073. The next prime is 9331097. The reversal of 9331081 is 1801339.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7617600 + 1713481 = 2760^2 + 1309^2 .

It is a cyclic number.

It is not a de Polignac number, because 9331081 - 2³ = 9331073 is a prime.

It is a super-2 number, since 2×9331081² = 174138145257122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9331001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2770 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (2335041).

Almost surely, 2^9331081 is an apocalyptic number.

It is an amenable number.

9331081 is a deficient number, since it is larger than the sum of its proper divisors (9083).

9331081 is a wasteful number, since it uses less digits than its factorization.

9331081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 9331081 is about 3054.6818164909. The cubic root of 9331081 is about 210.5283821935.

The spelling of 9331081 in words is "nine million, three hundred thirty-one thousand, eighty-one".