43012525 has 12 divisors (see below), whose sum is σ = 53424532. Its totient is φ = 34352640.

The previous prime is 43012517. The next prime is 43012547. The reversal of 43012525 is 52521034.

It can be written as a sum of positive squares in 6 ways, for example, as 2090916 + 40921609 = 1446^2 + 6397^2 .

It is not a de Polignac number, because 43012525 - 2³ = 43012517 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43012496 and 43012505.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20317 + ... + 22333.

Almost surely, 2^43012525 is an apocalyptic number.

It is an amenable number.

43012525 is a deficient number, since it is larger than the sum of its proper divisors (10412007).

43012525 is a wasteful number, since it uses less digits than its factorization.

43012525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880 (or 2875 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 43012525 is about 6558.3934770643. The cubic root of 43012525 is about 350.3738182875.

Adding to 43012525 its reverse (52521034), we get a palindrome (95533559).

The spelling of 43012525 in words is "forty-three million, twelve thousand, five hundred twenty-five".