2641187 has 2 divisors, whose sum is σ = 2641188. Its totient is φ = 2641186.

The previous prime is 2641153. The next prime is 2641193. The reversal of 2641187 is 7811462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2641187 - 2⁶ = 2641123 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2641127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320593 + 1320594.

It is an arithmetic number, because the mean of its divisors is an integer number (1320594).

2^2641187 is an apocalyptic number.

2641187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641187 is an equidigital number, since it uses as much as digits as its factorization.

2641187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 29.

The square root of 2641187 is about 1625.1729138772. The cubic root of 2641187 is about 138.2291753157.

The spelling of 2641187 in words is "two million, six hundred forty-one thousand, one hundred eighty-seven".