6457223 has 4 divisors (see below), whose sum is σ = 6539040. Its totient is φ = 6375408.

The previous prime is 6457183. The next prime is 6457247. The reversal of 6457223 is 3227546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6457223 - 2¹⁰ = 6456199 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 (6457123) 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 3 ways as a sum of consecutive naturals, for example, 40790 + ... + 40947.

It is an arithmetic number, because the mean of its divisors is an integer number (1634760).

Almost surely, 2^6457223 is an apocalyptic number.

6457223 is a deficient number, since it is larger than the sum of its proper divisors (81817).

6457223 is an equidigital number, since it uses as much as digits as its factorization.

6457223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81816.

The product of its digits is 10080, while the sum is 29.

The square root of 6457223 is about 2541.1066486867. The cubic root of 6457223 is about 186.2152573966.

The spelling of 6457223 in words is "six million, four hundred fifty-seven thousand, two hundred twenty-three".