3216413 has 2 divisors, whose sum is σ = 3216414. Its totient is φ = 3216412.

The previous prime is 3216407. The next prime is 3216431. The reversal of 3216413 is 3146123.

Together with next prime (3216431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2948089 + 268324 = 1717^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 3216413 - 2¹² = 3212317 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 (3216403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608206 + 1608207.

It is an arithmetic number, because the mean of its divisors is an integer number (1608207).

Almost surely, 2^3216413 is an apocalyptic number.

It is an amenable number.

3216413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3216413 is an equidigital number, since it uses as much as digits as its factorization.

3216413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 3216413 is about 1793.4360875147. The cubic root of 3216413 is about 147.6127721314.

The spelling of 3216413 in words is "three million, two hundred sixteen thousand, four hundred thirteen".