2671181 has 2 divisors, whose sum is σ = 2671182. Its totient is φ = 2671180.

The previous prime is 2671171. The next prime is 2671183. The reversal of 2671181 is 1811762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2669956 + 1225 = 1634^2 + 35^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2671181 is a prime.

It is a super-2 number, since 2×2671181² = 14270415869522, which contains 22 as substring.

Together with 2671183, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2671181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2671183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335590 + 1335591.

It is an arithmetic number, because the mean of its divisors is an integer number (1335591).

2^2671181 is an apocalyptic number.

It is an amenable number.

2671181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2671181 is an equidigital number, since it uses as much as digits as its factorization.

2671181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 26.

The square root of 2671181 is about 1634.3748040153. The cubic root of 2671181 is about 138.7504623527.

The spelling of 2671181 in words is "two million, six hundred seventy-one thousand, one hundred eighty-one".