6982181 has 2 divisors, whose sum is σ = 6982182. Its totient is φ = 6982180.

The previous prime is 6982163. The next prime is 6982193. The reversal of 6982181 is 1812896.

6982181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4879681 + 2102500 = 2209^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 6982181 - 2¹⁰ = 6981157 is a prime.

It is a super-2 number, since 2×6982181² = 97501703033522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6982111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3491090 + 3491091.

It is an arithmetic number, because the mean of its divisors is an integer number (3491091).

Almost surely, 2^6982181 is an apocalyptic number.

It is an amenable number.

6982181 is a deficient number, since it is larger than the sum of its proper divisors (1).

6982181 is an equidigital number, since it uses as much as digits as its factorization.

6982181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 35.

The square root of 6982181 is about 2642.3816908236. The cubic root of 6982181 is about 191.1306635870.

The spelling of 6982181 in words is "six million, nine hundred eighty-two thousand, one hundred eighty-one".