4443525 has 48 divisors (see below), whose sum is σ = 8481600. Its totient is φ = 2278080.

The previous prime is 4443497. The next prime is 4443529. The reversal of 4443525 is 5253444.

It is not a de Polignac number, because 4443525 - 2⁵ = 4443493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4⁴ + 4⁸ + 4¹¹ + 3¹¹ + 5⁵ + 2⁵ + 5⁵ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19462 + ... + 19688.

It is an arithmetic number, because the mean of its divisors is an integer number (176700).

Almost surely, 2^4443525 is an apocalyptic number.

4443525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4443525 is a deficient number, since it is larger than the sum of its proper divisors (4038075).

4443525 is a wasteful number, since it uses less digits than its factorization.

4443525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 264 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 4443525 is about 2107.9670301027. The cubic root of 4443525 is about 164.4027997818.

Adding to 4443525 its reverse (5253444), we get a palindrome (9696969).

It can be divided in two parts, 444 and 3525, that added together give a square (3969 = 63²).

The spelling of 4443525 in words is "four million, four hundred forty-three thousand, five hundred twenty-five".