2017243 has 2 divisors, whose sum is σ = 2017244. Its totient is φ = 2017242.

The previous prime is 2017217. The next prime is 2017247. The reversal of 2017243 is 3427102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2017243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2017243.

It is not a weakly prime, because it can be changed into another prime (2017247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008621 + 1008622.

It is an arithmetic number, because the mean of its divisors is an integer number (1008622).

2^2017243 is an apocalyptic number.

2017243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2017243 is an equidigital number, since it uses as much as digits as its factorization.

2017243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2017243 is about 1420.2967999682. The cubic root of 2017243 is about 126.3531496976.

The spelling of 2017243 in words is "two million, seventeen thousand, two hundred forty-three".