43130535 has 64 divisors (see below), whose sum is σ = 82252800. Its totient is φ = 19286400.

The previous prime is 43130519. The next prime is 43130539. The reversal of 43130535 is 53503134.

It is a happy number.

43130535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43130535 - 2⁴ = 43130519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43130539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 426985 + ... + 427085.

It is an arithmetic number, because the mean of its divisors is an integer number (1285200).

Almost surely, 2^43130535 is an apocalyptic number.

43130535 is a deficient number, since it is larger than the sum of its proper divisors (39122265).

43130535 is a wasteful number, since it uses less digits than its factorization.

43130535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 43130535 is about 6567.3841824580. The cubic root of 43130535 is about 350.6939564936.

Adding to 43130535 its reverse (53503134), we get a palindrome (96633669).

The spelling of 43130535 in words is "forty-three million, one hundred thirty thousand, five hundred thirty-five".