43450271 has 2 divisors, whose sum is σ = 43450272. Its totient is φ = 43450270.

The previous prime is 43450223. The next prime is 43450273. The reversal of 43450271 is 17205434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43450271 - 2¹⁸ = 43188127 is a prime.

It is a Sophie Germain prime.

Together with 43450273, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_2630168 and since 43450271 and 2630168 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43450271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43450273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21725135 + 21725136.

It is an arithmetic number, because the mean of its divisors is an integer number (21725136).

Almost surely, 2^43450271 is an apocalyptic number.

43450271 is a deficient number, since it is larger than the sum of its proper divisors (1).

43450271 is an equidigital number, since it uses as much as digits as its factorization.

43450271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 43450271 is about 6591.6819553131. The cubic root of 43450271 is about 351.5584139548.

It can be divided in two parts, 434 and 50271, that added together give a palindrome (50705).

The spelling of 43450271 in words is "forty-three million, four hundred fifty thousand, two hundred seventy-one".