443725 has 6 divisors (see below), whose sum is σ = 550250. Its totient is φ = 354960.

The previous prime is 443711. The next prime is 443731. The reversal of 443725 is 527344.

It can be written as a sum of positive squares in 3 ways, for example, as 169 + 443556 = 13^2 + 666^2 .

It is a de Polignac number, because none of the positive numbers 2^k-443725 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 17749 = 443725 / (4 + 4 + 3 + 7 + 2 + 5).

443725 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 443725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8850 + ... + 8899.

2⁴⁴³⁷²⁵ is an apocalyptic number.

It is an amenable number.

443725 is a deficient number, since it is larger than the sum of its proper divisors (106525).

443725 is a wasteful number, since it uses less digits than its factorization.

443725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17759 (or 17754 counting only the distinct ones).

The product of its digits is 3360, while the sum is 25.

The square root of 443725 is about 666.1268647938. The cubic root of 443725 is about 76.2730826829.

The spelling of 443725 in words is "four hundred forty-three thousand, seven hundred twenty-five".