2667191 has 2 divisors, whose sum is σ = 2667192. Its totient is φ = 2667190.

The previous prime is 2667187. The next prime is 2667193. The reversal of 2667191 is 1917662.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2667191 - 2² = 2667187 is a prime.

It is a super-2 number, since 2×2667191² = 14227815660962, which contains 22 as substring.

Together with 2667193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2667193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333595 + 1333596.

It is an arithmetic number, because the mean of its divisors is an integer number (1333596).

2^2667191 is an apocalyptic number.

2667191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2667191 is an equidigital number, since it uses as much as digits as its factorization.

2667191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 2667191 is about 1633.1536976047. The cubic root of 2667191 is about 138.6813430852.

It can be divided in two parts, 26671 and 91, that added together give a palindrome (26762).

The spelling of 2667191 in words is "two million, six hundred sixty-seven thousand, one hundred ninety-one".