43000525 has 12 divisors (see below), whose sum is σ = 53403700. Its totient is φ = 34346880.

The previous prime is 43000523. The next prime is 43000561. The reversal of 43000525 is 52500034.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1087849 + 41912676 = 1043^2 + 6474^2 .

It is not a de Polignac number, because 43000525 - 2¹ = 43000523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43000523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25921 + ... + 27529.

Almost surely, 2^43000525 is an apocalyptic number.

It is an amenable number.

43000525 is a deficient number, since it is larger than the sum of its proper divisors (10403175).

43000525 is a wasteful number, since it uses less digits than its factorization.

43000525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688 (or 2683 counting only the distinct ones).

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

The square root of 43000525 is about 6557.4785550545. The cubic root of 43000525 is about 350.3412318344.

Adding to 43000525 its reverse (52500034), we get a palindrome (95500559).

The spelling of 43000525 in words is "forty-three million, five hundred twenty-five", and thus it is an aban number.