813383 has 2 divisors, whose sum is σ = 813384. Its totient is φ = 813382.

The previous prime is 813377. The next prime is 813401. The reversal of 813383 is 383318.

813383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 813383 - 2⁴ = 813367 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (813343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406691 + 406692.

It is an arithmetic number, because the mean of its divisors is an integer number (406692).

2⁸¹³³⁸³ is an apocalyptic number.

813383 is a deficient number, since it is larger than the sum of its proper divisors (1).

813383 is an equidigital number, since it uses as much as digits as its factorization.

813383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 813383 is about 901.8774861366. The cubic root of 813383 is about 93.3465698347.

The spelling of 813383 in words is "eight hundred thirteen thousand, three hundred eighty-three".