6081181 has 2 divisors, whose sum is σ = 6081182. Its totient is φ = 6081180.

The previous prime is 6081143. The next prime is 6081199. The reversal of 6081181 is 1811806.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6081156 + 25 = 2466^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 6081181 - 2¹¹ = 6079133 is a prime.

It is a super-2 number, since 2×6081181² = 73961524709522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6085181) 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, 3040590 + 3040591.

It is an arithmetic number, because the mean of its divisors is an integer number (3040591).

Almost surely, 2^6081181 is an apocalyptic number.

It is an amenable number.

6081181 is a deficient number, since it is larger than the sum of its proper divisors (1).

6081181 is an equidigital number, since it uses as much as digits as its factorization.

6081181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 6081181 is about 2466.0050689323. The cubic root of 6081181 is about 182.5279221680.

Subtracting from 6081181 its sum of digits (25), we obtain a square (6081156 = 2466²).

Adding to 6081181 its reverse (1811806), we get a palindrome (7892987).

The spelling of 6081181 in words is "six million, eighty-one thousand, one hundred eighty-one".