2541811 has 2 divisors, whose sum is σ = 2541812. Its totient is φ = 2541810.

The previous prime is 2541769. The next prime is 2541817. The reversal of 2541811 is 1181452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2541811 - 2⁷ = 2541683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2541817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270905 + 1270906.

It is an arithmetic number, because the mean of its divisors is an integer number (1270906).

2^2541811 is an apocalyptic number.

2541811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541811 is an equidigital number, since it uses as much as digits as its factorization.

2541811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 22.

The square root of 2541811 is about 1594.3058050449. The cubic root of 2541811 is about 136.4733183681.

The spelling of 2541811 in words is "two million, five hundred forty-one thousand, eight hundred eleven".