43130093 has 2 divisors, whose sum is σ = 43130094. Its totient is φ = 43130092.

The previous prime is 43130051. The next prime is 43130099. The reversal of 43130093 is 39003134.

43130093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41499364 + 1630729 = 6442^2 + 1277^2 .

It is a cyclic number.

It is not a de Polignac number, because 43130093 - 2²⁰ = 42081517 is a prime.

It is equal to p_2611931 and since 43130093 and 2611931 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43130099) 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 as a sum of consecutive naturals, namely, 21565046 + 21565047.

It is an arithmetic number, because the mean of its divisors is an integer number (21565047).

Almost surely, 2^43130093 is an apocalyptic number.

It is an amenable number.

43130093 is a deficient number, since it is larger than the sum of its proper divisors (1).

43130093 is an equidigital number, since it uses as much as digits as its factorization.

43130093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 43130093 is about 6567.3505312264. The cubic root of 43130093 is about 350.6927585237.

The spelling of 43130093 in words is "forty-three million, one hundred thirty thousand, ninety-three".