8525859425 has 12 divisors (see below), whose sum is σ = 10575057900. Its totient is φ = 6818757120.

The previous prime is 8525859401. The next prime is 8525859427. The reversal of 8525859425 is 5249585258.

8525859425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2025630049 + 6500229376 = 45007^2 + 80624^2 .

It is not a de Polignac number, because 8525859425 - 2¹⁰ = 8525858401 is a prime.

It is a super-2 number, since 2×8525859425² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8525859427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45401 + ... + 138249.

It is an arithmetic number, because the mean of its divisors is an integer number (881254825).

Almost surely, 2^8525859425 is an apocalyptic number.

It is an amenable number.

8525859425 is a deficient number, since it is larger than the sum of its proper divisors (2049198475).

8525859425 is a wasteful number, since it uses less digits than its factorization.

8525859425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96532 (or 96527 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 53.

The square root of 8525859425 is about 92335.5804931122. The cubic root of 8525859425 is about 2042.8950489498.

The spelling of 8525859425 in words is "eight billion, five hundred twenty-five million, eight hundred fifty-nine thousand, four hundred twenty-five".