813283 has 2 divisors, whose sum is σ = 813284. Its totient is φ = 813282.

The previous prime is 813277. The next prime is 813287. The reversal of 813283 is 382318.

813283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 813283 - 2⁵ = 813251 is a prime.

It is a super-2 number, since 2×813283² = 1322858476178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (813287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406641 + 406642.

It is an arithmetic number, because the mean of its divisors is an integer number (406642).

2⁸¹³²⁸³ is an apocalyptic number.

813283 is a deficient number, since it is larger than the sum of its proper divisors (1).

813283 is an equidigital number, since it uses as much as digits as its factorization.

813283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

The square root of 813283 is about 901.8220445299. The cubic root of 813283 is about 93.3427442325.

It can be divided in two parts, 81 and 3283, that added together give a square (3364 = 58²).

The spelling of 813283 in words is "eight hundred thirteen thousand, two hundred eighty-three".