2811379 has 2 divisors, whose sum is σ = 2811380. Its totient is φ = 2811378.

The previous prime is 2811353. The next prime is 2811397. The reversal of 2811379 is 9731182.

Together with next prime (2811397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2811379 - 2¹³ = 2803187 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2811379.

It is not a weakly prime, because it can be changed into another prime (2811349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1405689 + 1405690.

It is an arithmetic number, because the mean of its divisors is an integer number (1405690).

2^2811379 is an apocalyptic number.

2811379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2811379 is an equidigital number, since it uses as much as digits as its factorization.

2811379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 31.

The square root of 2811379 is about 1676.7167321882. The cubic root of 2811379 is about 141.1366480375.

The spelling of 2811379 in words is "two million, eight hundred eleven thousand, three hundred seventy-nine".