825538 has 8 divisors (see below), whose sum is σ = 1415232. Its totient is φ = 353796.

The previous prime is 825533. The next prime is 825547. The reversal of 825538 is 835528.

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

It is not an unprimeable number, because it can be changed into a prime (825533) by changing a digit.

825538 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29470 + ... + 29497.

It is an arithmetic number, because the mean of its divisors is an integer number (176904).

2⁸²⁵⁵³⁸ is an apocalyptic number.

825538 is a deficient number, since it is larger than the sum of its proper divisors (589694).

825538 is a wasteful number, since it uses less digits than its factorization.

825538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58976.

The product of its digits is 9600, while the sum is 31.

The square root of 825538 is about 908.5912172149. The cubic root of 825538 is about 93.8092555761.

It can be divided in two parts, 8 and 25538, that multiplied together give a square (204304 = 452²).

The spelling of 825538 in words is "eight hundred twenty-five thousand, five hundred thirty-eight".