5518841 has 2 divisors, whose sum is σ = 5518842. Its totient is φ = 5518840.

The previous prime is 5518831. The next prime is 5518847. The reversal of 5518841 is 1488155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4426816 + 1092025 = 2104^2 + 1045^2 .

It is a cyclic number.

It is not a de Polignac number, because 5518841 - 2¹⁸ = 5256697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5518798 and 5518807.

It is not a weakly prime, because it can be changed into another prime (5518847) 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 as a sum of consecutive naturals, namely, 2759420 + 2759421.

It is an arithmetic number, because the mean of its divisors is an integer number (2759421).

Almost surely, 2^5518841 is an apocalyptic number.

It is an amenable number.

5518841 is a deficient number, since it is larger than the sum of its proper divisors (1).

5518841 is an equidigital number, since it uses as much as digits as its factorization.

5518841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6400, while the sum is 32.

The square root of 5518841 is about 2349.2213603660. The cubic root of 5518841 is about 176.7187485384.

The spelling of 5518841 in words is "five million, five hundred eighteen thousand, eight hundred forty-one".