825042 has 8 divisors (see below), whose sum is σ = 1650096. Its totient is φ = 275012.

The previous prime is 825029. The next prime is 825047. The reversal of 825042 is 240528.

825042 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.

825042 is an admirable number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (825047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68748 + ... + 68759.

It is an arithmetic number, because the mean of its divisors is an integer number (206262).

2⁸²⁵⁰⁴² is an apocalyptic number.

825042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825042 is a wasteful number, since it uses less digits than its factorization.

825042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137512.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 825042 is about 908.3182261741. The cubic root of 825042 is about 93.7904643101.

The spelling of 825042 in words is "eight hundred twenty-five thousand, forty-two".