2818279 has 2 divisors, whose sum is σ = 2818280. Its totient is φ = 2818278.

The previous prime is 2818271. The next prime is 2818297. The reversal of 2818279 is 9728182.

Together with next prime (2818297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2818279 - 2³ = 2818271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2818271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409139 + 1409140.

It is an arithmetic number, because the mean of its divisors is an integer number (1409140).

2^2818279 is an apocalyptic number.

2818279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2818279 is an equidigital number, since it uses as much as digits as its factorization.

2818279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 37.

The square root of 2818279 is about 1678.7730638773. The cubic root of 2818279 is about 141.2520181402.

Subtracting 2818279 from its reverse (9728182), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2818279 in words is "two million, eight hundred eighteen thousand, two hundred seventy-nine".