825841284 has 24 divisors (see below), whose sum is σ = 1927457280. Its totient is φ = 275209824.

The previous prime is 825841267. The next prime is 825841309. The reversal of 825841284 is 482148528.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63837 + ... + 75675.

It is an arithmetic number, because the mean of its divisors is an integer number (80310720).

Almost surely, 2^825841284 is an apocalyptic number.

It is an amenable number.

825841284 is an abundant number, since it is smaller than the sum of its proper divisors (1101615996).

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

825841284 is a wasteful number, since it uses less digits than its factorization.

825841284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17659 (or 17657 counting only the distinct ones).

The product of its digits is 163840, while the sum is 42.

The square root of 825841284 is about 28737.4543757794. The cubic root of 825841284 is about 938.2074196958.

The spelling of 825841284 in words is "eight hundred twenty-five million, eight hundred forty-one thousand, two hundred eighty-four".