443425 has 6 divisors (see below), whose sum is σ = 549878. Its totient is φ = 354720.

The previous prime is 443423. The next prime is 443431. The reversal of 443425 is 524344.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 88209 + 355216 = 297^2 + 596^2 .

It is not a de Polignac number, because 443425 - 2¹ = 443423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 443396 and 443405.

It is not an unprimeable number, because it can be changed into a prime (443423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8844 + ... + 8893.

2⁴⁴³⁴²⁵ is an apocalyptic number.

It is an amenable number.

443425 is a deficient number, since it is larger than the sum of its proper divisors (106453).

443425 is a wasteful number, since it uses less digits than its factorization.

443425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17747 (or 17742 counting only the distinct ones).

The product of its digits is 1920, while the sum is 22.

The square root of 443425 is about 665.9016443890. The cubic root of 443425 is about 76.2558895388.

Adding to 443425 its reverse (524344), we get a palindrome (967769).

It can be divided in two parts, 443 and 425, that added together give a palindrome (868).

The spelling of 443425 in words is "four hundred forty-three thousand, four hundred twenty-five".