825078 has 16 divisors (see below), whose sum is σ = 1747440. Its totient is φ = 258816.

The previous prime is 825073. The next prime is 825101. The reversal of 825078 is 870528.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825073) by changing a digit.

825078 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 7 ways as a sum of consecutive naturals, for example, 3943 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (109215).

2⁸²⁵⁰⁷⁸ is an apocalyptic number.

825078 is an abundant number, since it is smaller than the sum of its proper divisors (922362).

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

825078 is a wasteful number, since it uses less digits than its factorization.

825078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8111.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 825078 is about 908.3380428012. The cubic root of 825078 is about 93.7918284457.

The spelling of 825078 in words is "eight hundred twenty-five thousand, seventy-eight".