3217997 has 2 divisors, whose sum is σ = 3217998. Its totient is φ = 3217996.

The previous prime is 3217979. The next prime is 3218003. The reversal of 3217997 is 7997123.

Together with previous prime (3217979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2468041 + 749956 = 1571^2 + 866^2 .

It is a cyclic number.

It is not a de Polignac number, because 3217997 - 2⁸ = 3217741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3217997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3217937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608998 + 1608999.

It is an arithmetic number, because the mean of its divisors is an integer number (1608999).

Almost surely, 2^3217997 is an apocalyptic number.

It is an amenable number.

3217997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3217997 is an equidigital number, since it uses as much as digits as its factorization.

3217997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 38.

The square root of 3217997 is about 1793.8776435421. The cubic root of 3217997 is about 147.6369999755.

The spelling of 3217997 in words is "three million, two hundred seventeen thousand, nine hundred ninety-seven".