43481171 has 6 divisors (see below), whose sum is σ = 44234172. Its totient is φ = 42740780.

The previous prime is 43481167. The next prime is 43481173. The reversal of 43481171 is 17118434.

It is not a de Polignac number, because 43481171 - 2² = 43481167 is a prime.

It is a super-2 number, since 2×43481171² = 3781224463062482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43481173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2765 + ... + 9726.

It is an arithmetic number, because the mean of its divisors is an integer number (7372362).

Almost surely, 2^43481171 is an apocalyptic number.

43481171 is a deficient number, since it is larger than the sum of its proper divisors (753001).

43481171 is an equidigital number, since it uses as much as digits as its factorization.

43481171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12609 (or 12550 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 43481171 is about 6594.0254018316. The cubic root of 43481171 is about 351.6417320456.

The spelling of 43481171 in words is "forty-three million, four hundred eighty-one thousand, one hundred seventy-one".