859425 has 24 divisors (see below), whose sum is σ = 1624896. Its totient is φ = 392640.

The previous prime is 859423. The next prime is 859433. The reversal of 859425 is 524958.

It is not a de Polignac number, because 859425 - 2¹ = 859423 is a prime.

It is a super-2 number, since 2×859425² = 1477222661250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (859423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294 + ... + 1343.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

2⁸⁵⁹⁴²⁵ is an apocalyptic number.

It is an amenable number.

859425 is a deficient number, since it is larger than the sum of its proper divisors (765471).

859425 is a wasteful number, since it uses less digits than its factorization.

859425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657 (or 1652 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 859425 is about 927.0517784892. The cubic root of 859425 is about 95.0756553390.

The spelling of 859425 in words is "eight hundred fifty-nine thousand, four hundred twenty-five".