5765 has 4 divisors (see below), whose sum is σ = 6924. Its totient is φ = 4608.

The previous prime is 5749. The next prime is 5779. The reversal of 5765 is 5675.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3364 + 2401 = 58^2 + 49^2 .

It is a cyclic number.

It is not a de Polignac number, because 5765 - 2⁴ = 5749 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572 + ... + 581.

It is an arithmetic number, because the mean of its divisors is an integer number (1731).

It is an amenable number.

5765 is a deficient number, since it is larger than the sum of its proper divisors (1159).

5765 is a wasteful number, since it uses less digits than its factorization.

5765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158.

The product of its digits is 1050, while the sum is 23.

The square root of 5765 is about 75.9275970909. The cubic root of 5765 is about 17.9308042972.

The spelling of 5765 in words is "five thousand, seven hundred sixty-five".