859925 has 24 divisors (see below), whose sum is σ = 1205280. Its totient is φ = 603200.

The previous prime is 859919. The next prime is 859927. The reversal of 859925 is 529958.

It is a happy number.

It is not a de Polignac number, because 859925 - 2⁶ = 859861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14546 + ... + 14604.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2⁸⁵⁹⁹²⁵ is an apocalyptic number.

It is an amenable number.

859925 is a deficient number, since it is larger than the sum of its proper divisors (345355).

859925 is a wasteful number, since it uses less digits than its factorization.

859925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 128 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 859925 is about 927.3214113780. The cubic root of 859925 is about 95.0940896068.

The spelling of 859925 in words is "eight hundred fifty-nine thousand, nine hundred twenty-five".