43130005 has 4 divisors (see below), whose sum is σ = 51756012. Its totient is φ = 34504000.

The previous prime is 43129951. The next prime is 43130027. The reversal of 43130005 is 50003134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8059921 + 35070084 = 2839^2 + 5922^2 .

It is not a de Polignac number, because 43130005 - 2¹⁵ = 43097237 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 4312996 + ... + 4313005.

It is an arithmetic number, because the mean of its divisors is an integer number (12939003).

Almost surely, 2^43130005 is an apocalyptic number.

It is an amenable number.

43130005 is a deficient number, since it is larger than the sum of its proper divisors (8626007).

43130005 is an equidigital number, since it uses as much as digits as its factorization.

43130005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8626006.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 43130005 is about 6567.3438314131. The cubic root of 43130005 is about 350.6925200128.

Adding to 43130005 its reverse (50003134), we get a palindrome (93133139).

The spelling of 43130005 in words is "forty-three million, one hundred thirty thousand, five".