2678311 has 2 divisors, whose sum is σ = 2678312. Its totient is φ = 2678310.

The previous prime is 2678251. The next prime is 2678321. The reversal of 2678311 is 1138762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2678311 - 2¹⁵ = 2645543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2678311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2678321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339155 + 1339156.

It is an arithmetic number, because the mean of its divisors is an integer number (1339156).

2^2678311 is an apocalyptic number.

2678311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678311 is an equidigital number, since it uses as much as digits as its factorization.

2678311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 2678311 is about 1636.5546125932. The cubic root of 2678311 is about 138.8738050345.

The spelling of 2678311 in words is "two million, six hundred seventy-eight thousand, three hundred eleven".