5271181 has 4 divisors (see below), whose sum is σ = 5276700. Its totient is φ = 5265664.

The previous prime is 5271179. The next prime is 5271199. The reversal of 5271181 is 1811725.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5103081 + 168100 = 2259^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 5271181 - 2¹ = 5271179 is a prime.

It is a super-2 number, since 2×5271181² = 55570698269522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271121) 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, 916 + ... + 3373.

It is an arithmetic number, because the mean of its divisors is an integer number (1319175).

Almost surely, 2^5271181 is an apocalyptic number.

It is an amenable number.

5271181 is a deficient number, since it is larger than the sum of its proper divisors (5519).

5271181 is a wasteful number, since it uses less digits than its factorization.

5271181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518.

The product of its digits is 560, while the sum is 25.

The square root of 5271181 is about 2295.9052680805. The cubic root of 5271181 is about 174.0347510632.

The spelling of 5271181 in words is "five million, two hundred seventy-one thousand, one hundred eighty-one".