785825 has 18 divisors (see below), whose sum is σ = 1056294. Its totient is φ = 577920.

The previous prime is 785809. The next prime is 785839. The reversal of 785825 is 528587.

It can be written as a sum of positive squares in 3 ways, for example, as 118336 + 667489 = 344^2 + 817^2 .

It is not a de Polignac number, because 785825 - 2⁴ = 785809 is a prime.

It is a d-powerful number, because it can be written as 7³ + 8 + 8⁴ + 5⁸ + 2⁷ + 5⁸ .

It is a Duffinian number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 18254 + ... + 18296.

It is an arithmetic number, because the mean of its divisors is an integer number (58683).

2⁷⁸⁵⁸²⁵ is an apocalyptic number.

It is an amenable number.

785825 is a deficient number, since it is larger than the sum of its proper divisors (270469).

785825 is a wasteful number, since it uses less digits than its factorization.

785825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 65 counting only the distinct ones).

The product of its digits is 22400, while the sum is 35.

The square root of 785825 is about 886.4677095078. The cubic root of 785825 is about 92.2802184084.

It can be divided in two parts, 78582 and 5, that added together give a palindrome (78587).

The spelling of 785825 in words is "seven hundred eighty-five thousand, eight hundred twenty-five".