765223 has 4 divisors (see below), whose sum is σ = 791640. Its totient is φ = 738808.

The previous prime is 765211. The next prime is 765227. The reversal of 765223 is 322567.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-765223 is a prime.

It is a d-powerful number, because it can be written as 7⁵ + 6⁵ + 2 + 5⁷ + 2¹⁷ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765227) 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, 13165 + ... + 13222.

It is an arithmetic number, because the mean of its divisors is an integer number (197910).

2⁷⁶⁵²²³ is an apocalyptic number.

765223 is a deficient number, since it is larger than the sum of its proper divisors (26417).

765223 is a wasteful number, since it uses less digits than its factorization.

765223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26416.

The product of its digits is 2520, while the sum is 25.

The square root of 765223 is about 874.7702555529. The cubic root of 765223 is about 91.4666286180.

The spelling of 765223 in words is "seven hundred sixty-five thousand, two hundred twenty-three".