8525663173 has 16 divisors (see below), whose sum is σ = 8992028160. Its totient is φ = 8074684800.

The previous prime is 8525663117. The next prime is 8525663177. The reversal of 8525663173 is 3713665258.

It is a de Polignac number, because none of the positive numbers 2^k-8525663173 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 (8525663177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186993 + ... + 228073.

It is an arithmetic number, because the mean of its divisors is an integer number (562001760).

Almost surely, 2^8525663173 is an apocalyptic number.

It is an amenable number.

8525663173 is a deficient number, since it is larger than the sum of its proper divisors (466364987).

8525663173 is a wasteful number, since it uses less digits than its factorization.

8525663173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41268.

The product of its digits is 907200, while the sum is 46.

The square root of 8525663173 is about 92334.5177763982. The cubic root of 8525663173 is about 2042.8793740758.

The spelling of 8525663173 in words is "eight billion, five hundred twenty-five million, six hundred sixty-three thousand, one hundred seventy-three".