2170117 has 2 divisors, whose sum is σ = 2170118. Its totient is φ = 2170116.

The previous prime is 2170111. The next prime is 2170121. The reversal of 2170117 is 7110712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2076481 + 93636 = 1441^2 + 306^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170117 - 2³ = 2170109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2170094 and 2170103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2170111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085058 + 1085059.

It is an arithmetic number, because the mean of its divisors is an integer number (1085059).

2^2170117 is an apocalyptic number.

It is an amenable number.

2170117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170117 is an equidigital number, since it uses as much as digits as its factorization.

2170117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 2170117 is about 1473.1316981180. The cubic root of 2170117 is about 129.4675857912.

Adding to 2170117 its reverse (7110712), we get a palindrome (9280829).

The spelling of 2170117 in words is "two million, one hundred seventy thousand, one hundred seventeen".