5081191 has 2 divisors, whose sum is σ = 5081192. Its totient is φ = 5081190.

The previous prime is 5081161. The next prime is 5081231. The reversal of 5081191 is 1911805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5081191 - 2⁵ = 5081159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5081101) 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 as a sum of consecutive naturals, namely, 2540595 + 2540596.

It is an arithmetic number, because the mean of its divisors is an integer number (2540596).

Almost surely, 2^5081191 is an apocalyptic number.

5081191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5081191 is an equidigital number, since it uses as much as digits as its factorization.

5081191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 5081191 is about 2254.1497288335. The cubic root of 5081191 is about 171.9181939264.

Adding to 5081191 its reverse (1911805), we get a palindrome (6992996).

The spelling of 5081191 in words is "five million, eighty-one thousand, one hundred ninety-one".