804442125 has 64 divisors (see below), whose sum is σ = 1425745152. Its totient is φ = 401408000.

The previous prime is 804442117. The next prime is 804442147. The reversal of 804442125 is 521244408.

It is not a de Polignac number, because 804442125 - 2³ = 804442117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 804442092 and 804442101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1638130 + ... + 1638620.

It is an arithmetic number, because the mean of its divisors is an integer number (22277268).

Almost surely, 2^804442125 is an apocalyptic number.

804442125 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

804442125 is a deficient number, since it is larger than the sum of its proper divisors (621303027).

804442125 is a wasteful number, since it uses less digits than its factorization.

804442125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 804442125 is about 28362.6889592648. The cubic root of 804442125 is about 930.0328061037.

The spelling of 804442125 in words is "eight hundred four million, four hundred forty-two thousand, one hundred twenty-five".