6081681 has 4 divisors (see below), whose sum is σ = 8108912. Its totient is φ = 4054452.

The previous prime is 6081679. The next prime is 6081707. The reversal of 6081681 is 1861806.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6081681 - 2¹ = 6081679 is a prime.

It is a super-2 number, since 2×6081681² = 73973687571522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6081601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013611 + ... + 1013616.

It is an arithmetic number, because the mean of its divisors is an integer number (2027228).

Almost surely, 2^6081681 is an apocalyptic number.

It is an amenable number.

6081681 is a deficient number, since it is larger than the sum of its proper divisors (2027231).

6081681 is a wasteful number, since it uses less digits than its factorization.

6081681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027230.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 6081681 is about 2466.1064453912. The cubic root of 6081681 is about 182.5329245658.

The spelling of 6081681 in words is "six million, eighty-one thousand, six hundred eighty-one".