825255 has 16 divisors (see below), whose sum is σ = 1467360. Its totient is φ = 440064.

The previous prime is 825247. The next prime is 825259. The reversal of 825255 is 552528.

It is not a de Polignac number, because 825255 - 2³ = 825247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2922 + ... + 3191.

It is an arithmetic number, because the mean of its divisors is an integer number (91710).

2⁸²⁵²⁵⁵ is an apocalyptic number.

825255 is a deficient number, since it is larger than the sum of its proper divisors (642105).

825255 is a wasteful number, since it uses less digits than its factorization.

825255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127 (or 6121 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 825255 is about 908.4354682640. The cubic root of 825255 is about 93.7985348689.

The spelling of 825255 in words is "eight hundred twenty-five thousand, two hundred fifty-five".