108425917 has 2 divisors, whose sum is σ = 108425918. Its totient is φ = 108425916.

The previous prime is 108425909. The next prime is 108425963. The reversal of 108425917 is 719524801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96412761 + 12013156 = 9819^2 + 3466^2 .

It is a cyclic number.

It is not a de Polignac number, because 108425917 - 2³ = 108425909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108425117) 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, 54212958 + 54212959.

It is an arithmetic number, because the mean of its divisors is an integer number (54212959).

Almost surely, 2^108425917 is an apocalyptic number.

It is an amenable number.

108425917 is a deficient number, since it is larger than the sum of its proper divisors (1).

108425917 is an equidigital number, since it uses as much as digits as its factorization.

108425917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 108425917 is about 10412.7766229762. The cubic root of 108425917 is about 476.8455139807.

The spelling of 108425917 in words is "one hundred eight million, four hundred twenty-five thousand, nine hundred seventeen".