445753825 has 12 divisors (see below), whose sum is σ = 602983728. Its totient is φ = 324184400.

The previous prime is 445753817. The next prime is 445753843. The reversal of 445753825 is 528357544.

It is not a de Polignac number, because 445753825 - 2³ = 445753817 is a prime.

It is a Duffinian 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, 810187 + ... + 810736.

It is an arithmetic number, because the mean of its divisors is an integer number (50248644).

Almost surely, 2^445753825 is an apocalyptic number.

It is an amenable number.

445753825 is a deficient number, since it is larger than the sum of its proper divisors (157229903).

445753825 is a wasteful number, since it uses less digits than its factorization.

445753825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620944 (or 1620939 counting only the distinct ones).

The product of its digits is 672000, while the sum is 43.

The square root of 445753825 is about 21112.8829154145. The cubic root of 445753825 is about 763.8915268865.

It can be divided in two parts, 44575 and 3825, that added together give a square (48400 = 220²).

The spelling of 445753825 in words is "four hundred forty-five million, seven hundred fifty-three thousand, eight hundred twenty-five".