2734181 has 2 divisors, whose sum is σ = 2734182. Its totient is φ = 2734180.

The previous prime is 2734177. The next prime is 2734187. The reversal of 2734181 is 1814372.

2734181 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., 1716100 + 1018081 = 1310^2 + 1009^2 .

It is a cyclic number.

It is not a de Polignac number, because 2734181 - 2² = 2734177 is a prime.

It is a super-2 number, since 2×2734181² = 14951491481522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2734181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2734187) 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, 1367090 + 1367091.

It is an arithmetic number, because the mean of its divisors is an integer number (1367091).

2^2734181 is an apocalyptic number.

It is an amenable number.

2734181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2734181 is an equidigital number, since it uses as much as digits as its factorization.

2734181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 2734181 is about 1653.5359082887. The cubic root of 2734181 is about 139.8328106244.

The spelling of 2734181 in words is "two million, seven hundred thirty-four thousand, one hundred eighty-one".