2808413 has 2 divisors, whose sum is σ = 2808414. Its totient is φ = 2808412.

The previous prime is 2808397. The next prime is 2808419. The reversal of 2808413 is 3148082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2474329 + 334084 = 1573^2 + 578^2 .

It is a cyclic number.

It is not a de Polignac number, because 2808413 - 2⁴ = 2808397 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 (2808419) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404206 + 1404207.

It is an arithmetic number, because the mean of its divisors is an integer number (1404207).

2^2808413 is an apocalyptic number.

It is an amenable number.

2808413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2808413 is an equidigital number, since it uses as much as digits as its factorization.

2808413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2808413 is about 1675.8320321560. The cubic root of 2808413 is about 141.0869975996.

The spelling of 2808413 in words is "two million, eight hundred eight thousand, four hundred thirteen".