845487825 has 96 divisors (see below), whose sum is σ = 1745054976. Its totient is φ = 351682560.

The previous prime is 845487817. The next prime is 845487829. The reversal of 845487825 is 528784548.

845487825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 845487825 - 2³ = 845487817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (845487829) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 497377 + ... + 499073.

It is an arithmetic number, because the mean of its divisors is an integer number (18177656).

Almost surely, 2^845487825 is an apocalyptic number.

It is an amenable number.

845487825 is an abundant number, since it is smaller than the sum of its proper divisors (899567151).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845487825 is a wasteful number, since it uses less digits than its factorization.

845487825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803 (or 1798 counting only the distinct ones).

The product of its digits is 2867200, while the sum is 51.

The square root of 845487825 is about 29077.2733419074. The cubic root of 845487825 is about 945.5890898815.

The spelling of 845487825 in words is "eight hundred forty-five million, four hundred eighty-seven thousand, eight hundred twenty-five".