813359 has 4 divisors (see below), whose sum is σ = 815280. Its totient is φ = 811440.

The previous prime is 813343. The next prime is 813361. The reversal of 813359 is 953318.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 953318 = 2 ⋅476659.

It is a cyclic number.

It is not a de Polignac number, because 813359 - 2⁴ = 813343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (203820).

2⁸¹³³⁵⁹ is an apocalyptic number.

813359 is a deficient number, since it is larger than the sum of its proper divisors (1921).

813359 is a wasteful number, since it uses less digits than its factorization.

813359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920.

The product of its digits is 3240, while the sum is 29.

The square root of 813359 is about 901.8641804618. The cubic root of 813359 is about 93.3456517188.

It can be divided in two parts, 8133 and 59, that added together give a 13-th power (8192 = 2¹³).

The spelling of 813359 in words is "eight hundred thirteen thousand, three hundred fifty-nine".