6505223 has 8 divisors (see below), whose sum is σ = 6755520. Its totient is φ = 6259680.

The previous prime is 6505211. The next prime is 6505243. The reversal of 6505223 is 3225056.

It is a happy number.

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 6505223 - 2¹⁸ = 6243079 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 (6505243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1733 + ... + 4001.

It is an arithmetic number, because the mean of its divisors is an integer number (844440).

Almost surely, 2^6505223 is an apocalyptic number.

6505223 is a deficient number, since it is larger than the sum of its proper divisors (250297).

6505223 is a wasteful number, since it uses less digits than its factorization.

6505223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 6505223 is about 2550.5338656838. The cubic root of 6505223 is about 186.6755313959.

The spelling of 6505223 in words is "six million, five hundred five thousand, two hundred twenty-three".