6808453 has 4 divisors (see below), whose sum is σ = 6814528. Its totient is φ = 6802380.

The previous prime is 6808447. The next prime is 6808471. The reversal of 6808453 is 3548086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3548086 = 2 ⋅1774043.

It is a cyclic number.

It is not a de Polignac number, because 6808453 - 2⁵ = 6808421 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 (6805453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813 + ... + 3778.

It is an arithmetic number, because the mean of its divisors is an integer number (1703632).

Almost surely, 2^6808453 is an apocalyptic number.

It is an amenable number.

6808453 is a deficient number, since it is larger than the sum of its proper divisors (6075).

6808453 is a wasteful number, since it uses less digits than its factorization.

6808453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 6808453 is about 2609.3012474607. The cubic root of 6808453 is about 189.5321174645.

The spelling of 6808453 in words is "six million, eight hundred eight thousand, four hundred fifty-three".