785231 has 4 divisors (see below), whose sum is σ = 798600. Its totient is φ = 771864.

The previous prime is 785227. The next prime is 785249. The reversal of 785231 is 132587.

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 785231 - 2² = 785227 is a prime.

It is a super-2 number, since 2×785231² = 1233175446722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 785231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6596 + ... + 6713.

It is an arithmetic number, because the mean of its divisors is an integer number (199650).

2⁷⁸⁵²³¹ is an apocalyptic number.

785231 is a deficient number, since it is larger than the sum of its proper divisors (13369).

785231 is a wasteful number, since it uses less digits than its factorization.

785231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13368.

The product of its digits is 1680, while the sum is 26.

The square root of 785231 is about 886.1326085863. The cubic root of 785231 is about 92.2569612087.

The spelling of 785231 in words is "seven hundred eighty-five thousand, two hundred thirty-one".