108475517 has 2 divisors, whose sum is σ = 108475518. Its totient is φ = 108475516.

The previous prime is 108475481. The next prime is 108475519. The reversal of 108475517 is 715574801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86750596 + 21724921 = 9314^2 + 4661^2 .

It is a cyclic number.

It is not a de Polignac number, because 108475517 - 2¹⁰ = 108474493 is a prime.

Together with 108475519, 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 (108475519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54237758 + 54237759.

It is an arithmetic number, because the mean of its divisors is an integer number (54237759).

Almost surely, 2^108475517 is an apocalyptic number.

It is an amenable number.

108475517 is a deficient number, since it is larger than the sum of its proper divisors (1).

108475517 is an equidigital number, since it uses as much as digits as its factorization.

108475517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 108475517 is about 10415.1580400875. The cubic root of 108475517 is about 476.9182147167.

The spelling of 108475517 in words is "one hundred eight million, four hundred seventy-five thousand, five hundred seventeen".