82125895 has 16 divisors (see below), whose sum is σ = 104587200. Its totient is φ = 61694464.

The previous prime is 82125887. The next prime is 82125899. The reversal of 82125895 is 59852128.

It is a cyclic number.

It is not a de Polignac number, because 82125895 - 2³ = 82125887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82125899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50109 + ... + 51721.

It is an arithmetic number, because the mean of its divisors is an integer number (6536700).

Almost surely, 2^82125895 is an apocalyptic number.

82125895 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

82125895 is a deficient number, since it is larger than the sum of its proper divisors (22461305).

82125895 is a wasteful number, since it uses less digits than its factorization.

82125895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234.

The product of its digits is 57600, while the sum is 40.

The square root of 82125895 is about 9062.3338605461. Note that the first 3 decimals coincide. The cubic root of 82125895 is about 434.6703716762.

The spelling of 82125895 in words is "eighty-two million, one hundred twenty-five thousand, eight hundred ninety-five".