8525666 has 16 divisors (see below), whose sum is σ = 13050720. Its totient is φ = 4176480.

The previous prime is 8525603. The next prime is 8525669. The reversal of 8525666 is 6665258.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8525669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37445 + ... + 37671.

It is an arithmetic number, because the mean of its divisors is an integer number (815670).

Almost surely, 2^8525666 is an apocalyptic number.

8525666 is a deficient number, since it is larger than the sum of its proper divisors (4525054).

8525666 is a wasteful number, since it uses less digits than its factorization.

8525666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529.

The product of its digits is 86400, while the sum is 38.

The square root of 8525666 is about 2919.8743123635. The cubic root of 8525666 is about 204.2879599873.

The spelling of 8525666 in words is "eight million, five hundred twenty-five thousand, six hundred sixty-six".