811453 has 8 divisors (see below), whose sum is σ = 842688. Its totient is φ = 780864.

The previous prime is 811441. The next prime is 811457. The reversal of 811453 is 354118.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 811453 - 2⁹ = 810941 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 (811457) 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 7 ways as a sum of consecutive naturals, for example, 4776 + ... + 4942.

It is an arithmetic number, because the mean of its divisors is an integer number (105336).

2⁸¹¹⁴⁵³ is an apocalyptic number.

It is an amenable number.

811453 is a deficient number, since it is larger than the sum of its proper divisors (31235).

811453 is a wasteful number, since it uses less digits than its factorization.

811453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its digits is 480, while the sum is 22.

The square root of 811453 is about 900.8068605423. The cubic root of 811453 is about 93.2726802641.

The spelling of 811453 in words is "eight hundred eleven thousand, four hundred fifty-three".