8475109 has 12 divisors (see below), whose sum is σ = 9120076. Its totient is φ = 7869312.

The previous prime is 8475067. The next prime is 8475119. The reversal of 8475109 is 9015748.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4284900 + 4190209 = 2070^2 + 2047^2 .

It is not a de Polignac number, because 8475109 - 2⁷ = 8474981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8475119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19357 + ... + 19789.

Almost surely, 2^8475109 is an apocalyptic number.

It is an amenable number.

8475109 is a deficient number, since it is larger than the sum of its proper divisors (644967).

8475109 is a wasteful number, since it uses less digits than its factorization.

8475109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 8475109 is about 2911.2040464385. The cubic root of 8475109 is about 203.8833515490.

The spelling of 8475109 in words is "eight million, four hundred seventy-five thousand, one hundred nine".