803907321825 has 48 divisors (see below), whose sum is σ = 1399830851520. Its totient is φ = 405967000320.

The previous prime is 803907321751. The next prime is 803907321829. The reversal of 803907321825 is 528123709308.

It is a happy number.

It is not a de Polignac number, because 803907321825 - 2²³ = 803898933217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (803907321829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2524447 + ... + 2825003.

It is an arithmetic number, because the mean of its divisors is an integer number (29163142740).

Almost surely, 2^803907321825 is an apocalyptic number.

It is an amenable number.

803907321825 is a deficient number, since it is larger than the sum of its proper divisors (595923529695).

803907321825 is a wasteful number, since it uses less digits than its factorization.

803907321825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302466 (or 302461 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 803907321825 in words is "eight hundred three billion, nine hundred seven million, three hundred twenty-one thousand, eight hundred twenty-five".