3208813 has 2 divisors, whose sum is σ = 3208814. Its totient is φ = 3208812.

The previous prime is 3208811. The next prime is 3208817. The reversal of 3208813 is 3188023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2815684 + 393129 = 1678^2 + 627^2 .

It is a cyclic number.

It is not a de Polignac number, because 3208813 - 2¹ = 3208811 is a prime.

Together with 3208811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3208811) 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, 1604406 + 1604407.

It is an arithmetic number, because the mean of its divisors is an integer number (1604407).

Almost surely, 2^3208813 is an apocalyptic number.

It is an amenable number.

3208813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3208813 is an equidigital number, since it uses as much as digits as its factorization.

3208813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3208813 is about 1791.3159966907. The cubic root of 3208813 is about 147.4964166514.

The spelling of 3208813 in words is "three million, two hundred eight thousand, eight hundred thirteen".