1683317 has 2 divisors, whose sum is σ = 1683318. Its totient is φ = 1683316.

The previous prime is 1683313. The next prime is 1683359. The reversal of 1683317 is 7133861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1359556 + 323761 = 1166^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 1683317 - 2² = 1683313 is a prime.

It is a super-2 number, since 2×1683317² = 5667112244978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1683317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1683313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841658 + 841659.

It is an arithmetic number, because the mean of its divisors is an integer number (841659).

2^1683317 is an apocalyptic number.

It is an amenable number.

1683317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683317 is an equidigital number, since it uses as much as digits as its factorization.

1683317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 1683317 is about 1297.4270692413. The cubic root of 1683317 is about 118.9566256725.

The spelling of 1683317 in words is "one million, six hundred eighty-three thousand, three hundred seventeen".