43434113 has 2 divisors, whose sum is σ = 43434114. Its totient is φ = 43434112.

The previous prime is 43434103. The next prime is 43434137. The reversal of 43434113 is 31143434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41383489 + 2050624 = 6433^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 43434113 - 2⁸ = 43433857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (43434103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21717056 + 21717057.

It is an arithmetic number, because the mean of its divisors is an integer number (21717057).

Almost surely, 2^43434113 is an apocalyptic number.

It is an amenable number.

43434113 is a deficient number, since it is larger than the sum of its proper divisors (1).

43434113 is an equidigital number, since it uses as much as digits as its factorization.

43434113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 43434113 is about 6590.4562057569. The cubic root of 43434113 is about 351.5148301443.

Adding to 43434113 its reverse (31143434), we get a palindrome (74577547).

The spelling of 43434113 in words is "forty-three million, four hundred thirty-four thousand, one hundred thirteen".