831025 has 12 divisors (see below), whose sum is σ = 1110172. Its totient is φ = 613440.

The previous prime is 831023. The next prime is 831031. The reversal of 831025 is 520138.

It is a happy number.

831025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 110224 + 720801 = 332^2 + 849^2 .

It is not a de Polignac number, because 831025 - 2¹ = 831023 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 830993 and 831011.

It is not an unprimeable number, because it can be changed into a prime (831023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954 + ... + 1603.

2⁸³¹⁰²⁵ is an apocalyptic number.

It is an amenable number.

831025 is a deficient number, since it is larger than the sum of its proper divisors (279147).

831025 is a wasteful number, since it uses less digits than its factorization.

831025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 831025 is about 911.6057261777. The cubic root of 831025 is about 94.0166335436.

The spelling of 831025 in words is "eight hundred thirty-one thousand, twenty-five".