82525203525725 has 12 divisors (see below), whose sum is σ = 102351829894356. Its totient is φ = 66006886999680.

The previous prime is 82525203525707. The next prime is 82525203525781. The reversal of 82525203525725 is 52752530252528.

It can be written as a sum of positive squares in 6 ways, for example, as 2834785077124 + 79690418448601 = 1683682^2 + 8926949^2 .

It is not a de Polignac number, because 82525203525725 - 2²⁰ = 82525202477149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331768712 + ... + 332017361.

It is an arithmetic number, because the mean of its divisors is an integer number (8529319157863).

Almost surely, 2^{82525203525725} is an apocalyptic number.

It is an amenable number.

82525203525725 is a deficient number, since it is larger than the sum of its proper divisors (19826626368631).

82525203525725 is a wasteful number, since it uses less digits than its factorization.

82525203525725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663791056 (or 663791051 counting only the distinct ones).

The product of its (nonzero) digits is 16800000, while the sum is 53.

The spelling of 82525203525725 in words is "eighty-two trillion, five hundred twenty-five billion, two hundred three million, five hundred twenty-five thousand, seven hundred twenty-five".