43027013 has 2 divisors, whose sum is σ = 43027014. Its totient is φ = 43027012.

The previous prime is 43027009. The next prime is 43027027. The reversal of 43027013 is 31072034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41383489 + 1643524 = 6433^2 + 1282^2 .

It is a cyclic number.

It is not a de Polignac number, because 43027013 - 2² = 43027009 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43027073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21513506 + 21513507.

It is an arithmetic number, because the mean of its divisors is an integer number (21513507).

Almost surely, 2^43027013 is an apocalyptic number.

It is an amenable number.

43027013 is a deficient number, since it is larger than the sum of its proper divisors (1).

43027013 is an equidigital number, since it uses as much as digits as its factorization.

43027013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 43027013 is about 6559.4979228596. The cubic root of 43027013 is about 350.4131529235.

Adding to 43027013 its reverse (31072034), we get a palindrome (74099047).

The spelling of 43027013 in words is "forty-three million, twenty-seven thousand, thirteen".