2782111 has 2 divisors, whose sum is σ = 2782112. Its totient is φ = 2782110.

The previous prime is 2782099. The next prime is 2782123. The reversal of 2782111 is 1112872.

It is a balanced prime because it is at equal distance from previous prime (2782099) and next prime (2782123).

It is a cyclic number.

It is not a de Polignac number, because 2782111 - 2⁷ = 2781983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2782211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391055 + 1391056.

It is an arithmetic number, because the mean of its divisors is an integer number (1391056).

2^2782111 is an apocalyptic number.

2782111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2782111 is an equidigital number, since it uses as much as digits as its factorization.

2782111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 22.

The square root of 2782111 is about 1667.9661267544. The cubic root of 2782111 is about 140.6451685311.

Adding to 2782111 its reverse (1112872), we get a palindrome (3894983).

The spelling of 2782111 in words is "two million, seven hundred eighty-two thousand, one hundred eleven".