840841325 has 12 divisors (see below), whose sum is σ = 1068074868. Its totient is φ = 656265600.

The previous prime is 840841279. The next prime is 840841349. The reversal of 840841325 is 523148048.

840841325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 85581001 + 755260324 = 9251^2 + 27482^2 .

It is not a de Polignac number, because 840841325 - 2²⁰ = 839792749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409142 + ... + 411191.

It is an arithmetic number, because the mean of its divisors is an integer number (89006239).

Almost surely, 2^840841325 is an apocalyptic number.

It is an amenable number.

840841325 is a deficient number, since it is larger than the sum of its proper divisors (227233543).

840841325 is a wasteful number, since it uses less digits than its factorization.

840841325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820384 (or 820379 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 840841325 is about 28997.2640950832. The cubic root of 840841325 is about 943.8536999919.

The spelling of 840841325 in words is "eight hundred forty million, eight hundred forty-one thousand, three hundred twenty-five".