825019790 has 32 divisors (see below), whose sum is σ = 1699876800. Its totient is φ = 282415104.

The previous prime is 825019781. The next prime is 825019829. The reversal of 825019790 is 97910528.

825019790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36686 + ... + 54734.

It is an arithmetic number, because the mean of its divisors is an integer number (53121150).

Almost surely, 2^825019790 is an apocalyptic number.

825019790 is an abundant number, since it is smaller than the sum of its proper divisors (874857010).

825019790 is a wasteful number, since it uses less digits than its factorization.

825019790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18716.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 825019790 is about 28723.1577303054. The cubic root of 825019790 is about 937.8962269439.

The spelling of 825019790 in words is "eight hundred twenty-five million, nineteen thousand, seven hundred ninety".