865925 has 12 divisors (see below), whose sum is σ = 1130880. Its totient is φ = 655920.

The previous prime is 865889. The next prime is 865933. The reversal of 865925 is 529568.

865925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 865925 - 2¹⁰ = 864901 is a prime.

It is a super-2 number, since 2×865925² = 1499652211250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437 + ... + 1386.

It is an arithmetic number, because the mean of its divisors is an integer number (94240).

2⁸⁶⁵⁹²⁵ is an apocalyptic number.

It is an amenable number.

865925 is a deficient number, since it is larger than the sum of its proper divisors (264955).

865925 is a wasteful number, since it uses less digits than its factorization.

865925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852 (or 1847 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 865925 is about 930.5509120946. The cubic root of 865925 is about 95.3147455352.

The spelling of 865925 in words is "eight hundred sixty-five thousand, nine hundred twenty-five".