2704813 has 2 divisors, whose sum is σ = 2704814. Its totient is φ = 2704812.

The previous prime is 2704789. The next prime is 2704817. The reversal of 2704813 is 3184072.

2704813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2696164 + 8649 = 1642^2 + 93^2 .

It is a cyclic number.

It is not a de Polignac number, because 2704813 - 2⁹ = 2704301 is a prime.

2704813 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2704817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1352406 + 1352407.

It is an arithmetic number, because the mean of its divisors is an integer number (1352407).

2^2704813 is an apocalyptic number.

It is an amenable number.

2704813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2704813 is an equidigital number, since it uses as much as digits as its factorization.

2704813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2704813 is about 1644.6315696836. The cubic root of 2704813 is about 139.3303565115.

Adding to 2704813 its reverse (3184072), we get a palindrome (5888885).

The spelling of 2704813 in words is "two million, seven hundred four thousand, eight hundred thirteen".