108475409 has 8 divisors (see below), whose sum is σ = 124035648. Its totient is φ = 92931120.

The previous prime is 108475397. The next prime is 108475421. The reversal of 108475409 is 904574801.

It is an interprime number because it is at equal distance from previous prime (108475397) and next prime (108475421).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108475409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108475459) by changing a digit.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21299 + ... + 25895.

It is an arithmetic number, because the mean of its divisors is an integer number (15504456).

Almost surely, 2^108475409 is an apocalyptic number.

It is an amenable number.

108475409 is a deficient number, since it is larger than the sum of its proper divisors (15560239).

108475409 is an equidigital number, since it uses as much as digits as its factorization.

108475409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 108475409 is about 10415.1528553353. The cubic root of 108475409 is about 476.9180564408.

The spelling of 108475409 in words is "one hundred eight million, four hundred seventy-five thousand, four hundred nine".