443525 has 12 divisors (see below), whose sum is σ = 558372. Its totient is φ = 349440.

The previous prime is 443501. The next prime is 443533. The reversal of 443525 is 525344.

443525 = 121² + 122² + ... + 145².

It can be written as a sum of positive squares in 6 ways, for example, as 131044 + 312481 = 362^2 + 559^2 .

It is not a de Polignac number, because 443525 - 2¹⁰ = 442501 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 4⁶ + 4⁹ + 5 + 3¹¹ + 2⁷ + 5 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 443525.

It is a congruent 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, 2747 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (46531).

2⁴⁴³⁵²⁵ is an apocalyptic number.

It is an amenable number.

443525 is a deficient number, since it is larger than the sum of its proper divisors (114847).

443525 is a wasteful number, since it uses less digits than its factorization.

443525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 275 counting only the distinct ones).

The product of its digits is 2400, while the sum is 23.

The square root of 443525 is about 665.9767263201. The cubic root of 443525 is about 76.2616214482.

Adding to 443525 its reverse (525344), we get a palindrome (968869).

The spelling of 443525 in words is "four hundred forty-three thousand, five hundred twenty-five".