8509169325 has 48 divisors (see below), whose sum is σ = 14207751360. Its totient is φ = 4493483520.

The previous prime is 8509169311. The next prime is 8509169327. The reversal of 8509169325 is 5239619058.

It is a happy number.

8509169325 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8509169325 - 2²⁵ = 8475614893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8509169327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5229162 + ... + 5230788.

It is an arithmetic number, because the mean of its divisors is an integer number (295994820).

Almost surely, 2^8509169325 is an apocalyptic number.

It is an amenable number.

8509169325 is a deficient number, since it is larger than the sum of its proper divisors (5698582035).

8509169325 is a wasteful number, since it uses less digits than its factorization.

8509169325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286 (or 2281 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The square root of 8509169325 is about 92245.1588160593. The cubic root of 8509169325 is about 2041.5611308121.

The spelling of 8509169325 in words is "eight billion, five hundred nine million, one hundred sixty-nine thousand, three hundred twenty-five".