2894813 has 2 divisors, whose sum is σ = 2894814. Its totient is φ = 2894812.

The previous prime is 2894767. The next prime is 2894831. The reversal of 2894813 is 3184982.

It is a happy number.

Together with next prime (2894831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2699449 + 195364 = 1643^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 2894813 - 2⁸ = 2894557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2894833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1447406 + 1447407.

It is an arithmetic number, because the mean of its divisors is an integer number (1447407).

2^2894813 is an apocalyptic number.

It is an amenable number.

2894813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2894813 is an equidigital number, since it uses as much as digits as its factorization.

2894813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 2894813 is about 1701.4149993461. The cubic root of 2894813 is about 142.5192422974.

The spelling of 2894813 in words is "two million, eight hundred ninety-four thousand, eight hundred thirteen".