2796181 has 2 divisors, whose sum is σ = 2796182. Its totient is φ = 2796180.

The previous prime is 2796163. The next prime is 2796203. The reversal of 2796181 is 1816972.

It is a happy number.

2796181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 576081 = 1490^2 + 759^2 .

It is a cyclic number.

It is not a de Polignac number, because 2796181 - 2¹⁵ = 2763413 is a prime.

It is a super-2 number, since 2×2796181² = 15637256369522, which contains 22 as substring.

It is a nialpdrome in base 4.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2790181) 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, 1398090 + 1398091.

It is an arithmetic number, because the mean of its divisors is an integer number (1398091).

2^2796181 is an apocalyptic number.

It is an amenable number.

2796181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2796181 is an equidigital number, since it uses as much as digits as its factorization.

2796181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 34.

The square root of 2796181 is about 1672.1785191779. The cubic root of 2796181 is about 140.8818654050.

The spelling of 2796181 in words is "two million, seven hundred ninety-six thousand, one hundred eighty-one".