5091181 has 8 divisors (see below), whose sum is σ = 5241600. Its totient is φ = 4942608.

The previous prime is 5091173. The next prime is 5091193. The reversal of 5091181 is 1811905.

5091181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5091181 - 2³ = 5091173 is a prime.

It is a super-2 number, since 2×5091181² = 51840247949522, which contains 22 as substring.

It is a Duffinian number.

5091181 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5091101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6640 + ... + 7366.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^5091181 is an apocalyptic number.

It is an amenable number.

5091181 is a deficient number, since it is larger than the sum of its proper divisors (150419).

5091181 is a wasteful number, since it uses less digits than its factorization.

5091181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

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

The square root of 5091181 is about 2256.3645538787. The cubic root of 5091181 is about 172.0307881608.

The spelling of 5091181 in words is "five million, ninety-one thousand, one hundred eighty-one".