785313 has 6 divisors (see below), whose sum is σ = 1134354. Its totient is φ = 523536.

The previous prime is 785311. The next prime is 785321. The reversal of 785313 is 313587.

It can be written as a sum of positive squares in only one way, i.e., 439569 + 345744 = 663^2 + 588^2 .

It is not a de Polignac number, because 785313 - 2¹ = 785311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (785311) 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 5 ways as a sum of consecutive naturals, for example, 43620 + ... + 43637.

It is an arithmetic number, because the mean of its divisors is an integer number (189059).

2⁷⁸⁵³¹³ is an apocalyptic number.

It is an amenable number.

785313 is a deficient number, since it is larger than the sum of its proper divisors (349041).

785313 is a wasteful number, since it uses less digits than its factorization.

785313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87263 (or 87260 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 785313 is about 886.1788758484. The cubic root of 785313 is about 92.2601724962.

It can be divided in two parts, 78 and 5313, that multiplied together give a palindrome (414414).

The spelling of 785313 in words is "seven hundred eighty-five thousand, three hundred thirteen".