8025171525 has 48 divisors (see below), whose sum is σ = 16848624000. Its totient is φ = 3668647680.

The previous prime is 8025171457. The next prime is 8025171527. The reversal of 8025171525 is 5251715208.

8025171525 is a `hidden beast` number, since 80 + 2 + 51 + 7 + 1 + 525 = 666.

It is not a de Polignac number, because 8025171525 - 2¹⁴ = 8025155141 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8025171525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8025171527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 844500 + ... + 853949.

It is an arithmetic number, because the mean of its divisors is an integer number (351013000).

Almost surely, 2^8025171525 is an apocalyptic number.

It is an amenable number.

8025171525 is an abundant number, since it is smaller than the sum of its proper divisors (8823452475).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8025171525 is a wasteful number, since it uses less digits than its factorization.

8025171525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698475 (or 1698464 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The square root of 8025171525 is about 89583.3216899217. The cubic root of 8025171525 is about 2002.0954309013.

The spelling of 8025171525 in words is "eight billion, twenty-five million, one hundred seventy-one thousand, five hundred twenty-five".