2651911 has 2 divisors, whose sum is σ = 2651912. Its totient is φ = 2651910.

The previous prime is 2651899. The next prime is 2651947. The reversal of 2651911 is 1191562.

2651911 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 is a cyclic number.

It is not a de Polignac number, because 2651911 - 2⁷ = 2651783 is a prime.

2651911 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2651111) 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, 1325955 + 1325956.

It is an arithmetic number, because the mean of its divisors is an integer number (1325956).

2^2651911 is an apocalyptic number.

2651911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651911 is an equidigital number, since it uses as much as digits as its factorization.

2651911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 25.

The square root of 2651911 is about 1628.4689128135. The cubic root of 2651911 is about 138.4160064517.

The spelling of 2651911 in words is "two million, six hundred fifty-one thousand, nine hundred eleven".