2017247 has 2 divisors, whose sum is σ = 2017248. Its totient is φ = 2017246.

The previous prime is 2017243. The next prime is 2017283. The reversal of 2017247 is 7427102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2017247 - 2² = 2017243 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2017243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008623 + 1008624.

It is an arithmetic number, because the mean of its divisors is an integer number (1008624).

2^2017247 is an apocalyptic number.

2017247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2017247 is an equidigital number, since it uses as much as digits as its factorization.

2017247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 2017247 is about 1420.2982081239. The cubic root of 2017247 is about 126.3532332129.

The spelling of 2017247 in words is "two million, seventeen thousand, two hundred forty-seven".