6081191 has 4 divisors (see below), whose sum is σ = 6089832. Its totient is φ = 6072552.

The previous prime is 6081181. The next prime is 6081199. The reversal of 6081191 is 1911806.

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

It is a cyclic number.

It is not a de Polignac number, because 6081191 - 2²² = 1886887 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6081191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6081199) 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 3 ways as a sum of consecutive naturals, for example, 3161 + ... + 4706.

It is an arithmetic number, because the mean of its divisors is an integer number (1522458).

Almost surely, 2^6081191 is an apocalyptic number.

6081191 is a deficient number, since it is larger than the sum of its proper divisors (8641).

6081191 is an equidigital number, since it uses as much as digits as its factorization.

6081191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8640.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 6081191 is about 2466.0070965024. The cubic root of 6081191 is about 182.5280222186.

Adding to 6081191 its reverse (1911806), we get a palindrome (7992997).

The spelling of 6081191 in words is "six million, eighty-one thousand, one hundred ninety-one".