810343 has 2 divisors, whose sum is σ = 810344. Its totient is φ = 810342.

The previous prime is 810319. The next prime is 810349. The reversal of 810343 is 343018.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-810343 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 810343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (810349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405171 + 405172.

It is an arithmetic number, because the mean of its divisors is an integer number (405172).

810343 is a Friedman number, since it can be written as 30^4+(8-1)^3, using all its digits and the basic arithmetic operations.

2⁸¹⁰³⁴³ is an apocalyptic number.

810343 is a deficient number, since it is larger than the sum of its proper divisors (1).

810343 is an equidigital number, since it uses as much as digits as its factorization.

810343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 810343 is about 900.1905353868. The cubic root of 810343 is about 93.2301311088.

The spelling of 810343 in words is "eight hundred ten thousand, three hundred forty-three".