2117297 has 16 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 1639872.

The previous prime is 2117293. The next prime is 2117317. The reversal of 2117297 is 7927112.

It is not a de Polignac number, because 2117297 - 2² = 2117293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2117293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4604 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

2^2117297 is an apocalyptic number.

It is an amenable number.

2117297 is a deficient number, since it is larger than the sum of its proper divisors (543823).

2117297 is a wasteful number, since it uses less digits than its factorization.

2117297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its digits is 1764, while the sum is 29.

The square root of 2117297 is about 1455.0934677882. The cubic root of 2117297 is about 128.4085457057.

The spelling of 2117297 in words is "two million, one hundred seventeen thousand, two hundred ninety-seven".