825755 has 8 divisors (see below), whose sum is σ = 1132512. Its totient is φ = 566208.

The previous prime is 825749. The next prime is 825763. The reversal of 825755 is 557528.

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 825755 - 2⁴ = 825739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11762 + ... + 11831.

It is an arithmetic number, because the mean of its divisors is an integer number (141564).

2⁸²⁵⁷⁵⁵ is an apocalyptic number.

825755 is a deficient number, since it is larger than the sum of its proper divisors (306757).

825755 is a wasteful number, since it uses less digits than its factorization.

825755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23605.

The product of its digits is 14000, while the sum is 32.

The square root of 825755 is about 908.7106250067. The cubic root of 825755 is about 93.8174743882.

The spelling of 825755 in words is "eight hundred twenty-five thousand, seven hundred fifty-five".