441525 has 36 divisors (see below), whose sum is σ = 864032. Its totient is φ = 194880.

The previous prime is 441523. The next prime is 441527. The reversal of 441525 is 525144.

It is an interprime number because it is at equal distance from previous prime (441523) and next prime (441527).

It is not a de Polignac number, because 441525 - 2¹ = 441523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441523) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15211 + ... + 15239.

2⁴⁴¹⁵²⁵ is an apocalyptic number.

It is an amenable number.

441525 is a deficient number, since it is larger than the sum of its proper divisors (422507).

441525 is a wasteful number, since it uses less digits than its factorization.

441525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 44 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 441525 is about 664.4734757686. The cubic root of 441525 is about 76.1468191424.

Multiplying 441525 by its sum of digits (21), we get a square (9272025 = 3045²).

441525 divided by its sum of digits (21) gives a square (21025 = 145²).

Adding to 441525 its reverse (525144), we get a palindrome (966669).

The spelling of 441525 in words is "four hundred forty-one thousand, five hundred twenty-five".