43426171 has 2 divisors, whose sum is σ = 43426172. Its totient is φ = 43426170.

The previous prime is 43426169. The next prime is 43426217. The reversal of 43426171 is 17162434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43426171 - 2¹ = 43426169 is a prime.

Together with 43426169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43426111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21713085 + 21713086.

It is an arithmetic number, because the mean of its divisors is an integer number (21713086).

Almost surely, 2^43426171 is an apocalyptic number.

43426171 is a deficient number, since it is larger than the sum of its proper divisors (1).

43426171 is an equidigital number, since it uses as much as digits as its factorization.

43426171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 43426171 is about 6589.8536402564. The cubic root of 43426171 is about 351.4934038140.

The spelling of 43426171 in words is "forty-three million, four hundred twenty-six thousand, one hundred seventy-one".