8525801085 has 32 divisors (see below), whose sum is σ = 13861145088. Its totient is φ = 4474248000.

The previous prime is 8525801059. The next prime is 8525801099. The reversal of 8525801085 is 5801085258.

It is not a de Polignac number, because 8525801085 - 2⁹ = 8525800573 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298854 + ... + 326136.

It is an arithmetic number, because the mean of its divisors is an integer number (433160784).

Almost surely, 2^8525801085 is an apocalyptic number.

It is an amenable number.

8525801085 is a deficient number, since it is larger than the sum of its proper divisors (5335344003).

8525801085 is a wasteful number, since it uses less digits than its factorization.

8525801085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27625.

The product of its (nonzero) digits is 128000, while the sum is 42.

The square root of 8525801085 is about 92335.2645796827. The cubic root of 8525801085 is about 2042.8903892917.

The spelling of 8525801085 in words is "eight billion, five hundred twenty-five million, eight hundred one thousand, eighty-five".