5587181 has 2 divisors, whose sum is σ = 5587182. Its totient is φ = 5587180.

The previous prime is 5587171. The next prime is 5587187. The reversal of 5587181 is 1817855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5152900 + 434281 = 2270^2 + 659^2 .

It is a cyclic number.

It is not a de Polignac number, because 5587181 - 2¹⁸ = 5325037 is a prime.

It is a super-2 number, since 2×5587181² = 62433183053522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5587187) 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 as a sum of consecutive naturals, namely, 2793590 + 2793591.

It is an arithmetic number, because the mean of its divisors is an integer number (2793591).

Almost surely, 2^5587181 is an apocalyptic number.

It is an amenable number.

5587181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5587181 is an equidigital number, since it uses as much as digits as its factorization.

5587181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 35.

The square root of 5587181 is about 2363.7218533491. The cubic root of 5587181 is about 177.4451963323.

The spelling of 5587181 in words is "five million, five hundred eighty-seven thousand, one hundred eighty-one".