831263 has 4 divisors (see below), whose sum is σ = 833448. Its totient is φ = 829080.

The previous prime is 831253. The next prime is 831287. The reversal of 831263 is 362138.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 831263 - 2¹⁶ = 765727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 831263.

It is not an unprimeable number, because it can be changed into a prime (831253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356 + ... + 1337.

It is an arithmetic number, because the mean of its divisors is an integer number (208362).

2⁸³¹²⁶³ is an apocalyptic number.

831263 is a deficient number, since it is larger than the sum of its proper divisors (2185).

831263 is a wasteful number, since it uses less digits than its factorization.

831263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184.

The product of its digits is 864, while the sum is 23.

The square root of 831263 is about 911.7362557231. The cubic root of 831263 is about 94.0256079318.

The spelling of 831263 in words is "eight hundred thirty-one thousand, two hundred sixty-three".