3217243 has 2 divisors, whose sum is σ = 3217244. Its totient is φ = 3217242.

The previous prime is 3217241. The next prime is 3217297. The reversal of 3217243 is 3427123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3217243 - 2¹ = 3217241 is a prime.

Together with 3217241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3217241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608621 + 1608622.

It is an arithmetic number, because the mean of its divisors is an integer number (1608622).

Almost surely, 2^3217243 is an apocalyptic number.

3217243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3217243 is an equidigital number, since it uses as much as digits as its factorization.

3217243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 22.

The square root of 3217243 is about 1793.6674719691. The cubic root of 3217243 is about 147.6254682687.

The spelling of 3217243 in words is "three million, two hundred seventeen thousand, two hundred forty-three".