6517223 has 4 divisors (see below), whose sum is σ = 6727488. Its totient is φ = 6306960.

The previous prime is 6517213. The next prime is 6517249. The reversal of 6517223 is 3227156.

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 6517223 - 2¹² = 6513127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6517192 and 6517201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6517213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105086 + ... + 105147.

It is an arithmetic number, because the mean of its divisors is an integer number (1681872).

Almost surely, 2^6517223 is an apocalyptic number.

6517223 is a deficient number, since it is larger than the sum of its proper divisors (210265).

6517223 is a wasteful number, since it uses less digits than its factorization.

6517223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210264.

The product of its digits is 2520, while the sum is 26.

The square root of 6517223 is about 2552.8852304794. The cubic root of 6517223 is about 186.7902459038.

The spelling of 6517223 in words is "six million, five hundred seventeen thousand, two hundred twenty-three".