109403717 has 2 divisors, whose sum is σ = 109403718. Its totient is φ = 109403716.

The previous prime is 109403669. The next prime is 109403719. The reversal of 109403717 is 717304901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67010596 + 42393121 = 8186^2 + 6511^2 .

It is an emirp because it is prime and its reverse (717304901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109403717 - 2¹⁶ = 109338181 is a prime.

Together with 109403719, 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 (109403719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54701858 + 54701859.

It is an arithmetic number, because the mean of its divisors is an integer number (54701859).

Almost surely, 2^109403717 is an apocalyptic number.

It is an amenable number.

109403717 is a deficient number, since it is larger than the sum of its proper divisors (1).

109403717 is an equidigital number, since it uses as much as digits as its factorization.

109403717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 109403717 is about 10459.6231767688. The cubic root of 109403717 is about 478.2746462362.

The spelling of 109403717 in words is "one hundred nine million, four hundred three thousand, seven hundred seventeen".