5499181 has 2 divisors, whose sum is σ = 5499182. Its totient is φ = 5499180.

The previous prime is 5499157. The next prime is 5499187. The reversal of 5499181 is 1819945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3276100 + 2223081 = 1810^2 + 1491^2 .

It is a cyclic number.

It is not a de Polignac number, because 5499181 - 2¹¹ = 5497133 is a prime.

It is a super-2 number, since 2×5499181² = 60481983341522, which contains 22 as substring.

5499181 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5499181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5499187) 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, 2749590 + 2749591.

It is an arithmetic number, because the mean of its divisors is an integer number (2749591).

Almost surely, 2^5499181 is an apocalyptic number.

It is an amenable number.

5499181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5499181 is an equidigital number, since it uses as much as digits as its factorization.

5499181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 37.

The square root of 5499181 is about 2345.0332620242. The cubic root of 5499181 is about 176.5086546487.

It can be divided in two parts, 549 and 9181, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 5499181 in words is "five million, four hundred ninety-nine thousand, one hundred eighty-one".