811293 has 12 divisors (see below), whose sum is σ = 1258560. Its totient is φ = 463512.

The previous prime is 811289. The next prime is 811297. The reversal of 811293 is 392118.

It is an interprime number because it is at equal distance from previous prime (811289) and next prime (811297).

It is not a de Polignac number, because 811293 - 2² = 811289 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2613 + ... + 2906.

It is an arithmetic number, because the mean of its divisors is an integer number (104880).

2⁸¹¹²⁹³ is an apocalyptic number.

It is an amenable number.

811293 is a deficient number, since it is larger than the sum of its proper divisors (447267).

811293 is a wasteful number, since it uses less digits than its factorization.

811293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536 (or 5529 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 811293 is about 900.7180468937. The cubic root of 811293 is about 93.2665494470.

The spelling of 811293 in words is "eight hundred eleven thousand, two hundred ninety-three".