43525 has 6 divisors (see below), whose sum is σ = 54002. Its totient is φ = 34800.

The previous prime is 43517. The next prime is 43541. The reversal of 43525 is 52534.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 676 + 42849 = 26^2 + 207^2 .

It is not a de Polignac number, because 43525 - 2³ = 43517 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 3⁹ + 5² + 2¹² + 5⁶ .

It is a Duffinian number.

It is a zygodrome in base 4.

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, 846 + ... + 895.

2⁴³⁵²⁵ is an apocalyptic number.

It is an amenable number.

43525 is a deficient number, since it is larger than the sum of its proper divisors (10477).

43525 is a wasteful number, since it uses less digits than its factorization.

43525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1746 counting only the distinct ones).

The product of its digits is 600, while the sum is 19.

The square root of 43525 is about 208.6264604503. The cubic root of 43525 is about 35.1759843936.

Subtracting 43525 from its reverse (52534), we obtain a palindrome (9009).

The spelling of 43525 in words is "forty-three thousand, five hundred twenty-five".