5181241 has 4 divisors (see below), whose sum is σ = 5579812. Its totient is φ = 4782672.

The previous prime is 5181223. The next prime is 5181251. The reversal of 5181241 is 1421815.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3164841 + 2016400 = 1779^2 + 1420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5181241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5181251) 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, 199266 + ... + 199291.

It is an arithmetic number, because the mean of its divisors is an integer number (1394953).

Almost surely, 2^5181241 is an apocalyptic number.

It is an amenable number.

5181241 is a deficient number, since it is larger than the sum of its proper divisors (398571).

5181241 is a wasteful number, since it uses less digits than its factorization.

5181241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398570.

The product of its digits is 320, while the sum is 22.

The square root of 5181241 is about 2276.2339510692. The cubic root of 5181241 is about 173.0392395426.

The spelling of 5181241 in words is "five million, one hundred eighty-one thousand, two hundred forty-one".