8611081 has 4 divisors (see below), whose sum is σ = 8655892. Its totient is φ = 8566272.

The previous prime is 8611063. The next prime is 8611117. The reversal of 8611081 is 1801168.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1401856 + 7209225 = 1184^2 + 2685^2 .

It is a cyclic number.

It is not a de Polignac number, because 8611081 - 2²¹ = 6513929 is a prime.

It is a super-3 number, since 3×8611081³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8611181) 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, 22116 + ... + 22501.

It is an arithmetic number, because the mean of its divisors is an integer number (2163973).

Almost surely, 2^8611081 is an apocalyptic number.

It is an amenable number.

8611081 is a deficient number, since it is larger than the sum of its proper divisors (44811).

8611081 is a wasteful number, since it uses less digits than its factorization.

8611081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44810.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 8611081 is about 2934.4643463501. The cubic root of 8611081 is about 204.9679188346.

The spelling of 8611081 in words is "eight million, six hundred eleven thousand, eighty-one".