10208117 has 2 divisors, whose sum is σ = 10208118. Its totient is φ = 10208116.

The previous prime is 10208069. The next prime is 10208119. The reversal of 10208117 is 71180201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9449476 + 758641 = 3074^2 + 871^2 .

It is an emirp because it is prime and its reverse (71180201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10208117 - 2⁸ = 10207861 is a prime.

Together with 10208119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10208119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5104058 + 5104059.

It is an arithmetic number, because the mean of its divisors is an integer number (5104059).

Almost surely, 2^10208117 is an apocalyptic number.

It is an amenable number.

10208117 is a deficient number, since it is larger than the sum of its proper divisors (1).

10208117 is an equidigital number, since it uses as much as digits as its factorization.

10208117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 10208117 is about 3195.0143974636. The cubic root of 10208117 is about 216.9278005966.

Adding to 10208117 its reverse (71180201), we get a palindrome (81388318).

The spelling of 10208117 in words is "ten million, two hundred eight thousand, one hundred seventeen".