82855125 has 48 divisors (see below), whose sum is σ = 152635392. Its totient is φ = 43221600.

The previous prime is 82855111. The next prime is 82855139. The reversal of 82855125 is 52155828.

82855125 is a `hidden beast` number, since 82 + 8 + 551 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (82855111) and next prime (82855139).

It is not a de Polignac number, because 82855125 - 2⁸ = 82854869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82855125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52092 + ... + 53658.

It is an arithmetic number, because the mean of its divisors is an integer number (3179904).

Almost surely, 2^82855125 is an apocalyptic number.

It is an amenable number.

82855125 is a deficient number, since it is larger than the sum of its proper divisors (69780267).

82855125 is a wasteful number, since it uses less digits than its factorization.

82855125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1622 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

The square root of 82855125 is about 9102.4790579270. The cubic root of 82855125 is about 435.9531221518.

The spelling of 82855125 in words is "eighty-two million, eight hundred fifty-five thousand, one hundred twenty-five".