825765 has 8 divisors (see below), whose sum is σ = 1321248. Its totient is φ = 440400.

The previous prime is 825763. The next prime is 825779. The reversal of 825765 is 567528.

It is a happy number.

825765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 825765 - 2¹ = 825763 is a prime.

It is a d-powerful number, because it can be written as 8 + 2¹¹ + 7⁷ + 5 + 6² + 5³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825763) 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, 27511 + ... + 27540.

It is an arithmetic number, because the mean of its divisors is an integer number (165156).

2⁸²⁵⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

825765 is a deficient number, since it is larger than the sum of its proper divisors (495483).

825765 is a wasteful number, since it uses less digits than its factorization.

825765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55059.

The product of its digits is 16800, while the sum is 33.

The square root of 825765 is about 908.7161272917. The cubic root of 825765 is about 93.8178531006.

The spelling of 825765 in words is "eight hundred twenty-five thousand, seven hundred sixty-five".