6005681 has 8 divisors (see below), whose sum is σ = 6704544. Its totient is φ = 5332320.

The previous prime is 6005663. The next prime is 6005687. The reversal of 6005681 is 1865006.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6005681 - 2¹⁴ = 5989297 is a prime.

It is a super-3 number, since 3×6005681³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 6005681.

It is not an unprimeable number, because it can be changed into a prime (6005687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5876 + ... + 6821.

It is an arithmetic number, because the mean of its divisors is an integer number (838068).

Almost surely, 2^6005681 is an apocalyptic number.

It is an amenable number.

6005681 is a deficient number, since it is larger than the sum of its proper divisors (698863).

6005681 is a wasteful number, since it uses less digits than its factorization.

6005681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12751.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 6005681 is about 2450.6490976882. The cubic root of 6005681 is about 181.7693915373.

The spelling of 6005681 in words is "six million, five thousand, six hundred eighty-one".