43252530 has 16 divisors (see below), whose sum is σ = 103806144. Its totient is φ = 11534000.

The previous prime is 43252529. The next prime is 43252537. The reversal of 43252530 is 3525234.

It is a self number, because there is not a number n which added to its sum of digits gives 43252530.

It is not an unprimeable number, because it can be changed into a prime (43252537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720846 + ... + 720905.

It is an arithmetic number, because the mean of its divisors is an integer number (6487884).

Almost surely, 2^43252530 is an apocalyptic number.

43252530 is an abundant number, since it is smaller than the sum of its proper divisors (60553614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43252530 is a wasteful number, since it uses less digits than its factorization.

43252530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441761.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 43252530 is about 6576.6655685081. The cubic root of 43252530 is about 351.0242919527.

Adding to 43252530 its reverse (3525234), we get a palindrome (46777764).

The spelling of 43252530 in words is "forty-three million, two hundred fifty-two thousand, five hundred thirty".