834845825 has 12 divisors (see below), whose sum is σ = 1129319088. Its totient is φ = 607160400.

The previous prime is 834845821. The next prime is 834845857. The reversal of 834845825 is 528548438.

It is not a de Polignac number, because 834845825 - 2² = 834845821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 834845825.

It is not an unprimeable number, because it can be changed into a prime (834845821) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1517627 + ... + 1518176.

It is an arithmetic number, because the mean of its divisors is an integer number (94109924).

Almost surely, 2^834845825 is an apocalyptic number.

It is an amenable number.

834845825 is a deficient number, since it is larger than the sum of its proper divisors (294473263).

834845825 is a wasteful number, since it uses less digits than its factorization.

834845825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035824 (or 3035819 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 47.

The square root of 834845825 is about 28893.6987075037. The cubic root of 834845825 is about 941.6050084497.

The spelling of 834845825 in words is "eight hundred thirty-four million, eight hundred forty-five thousand, eight hundred twenty-five".