43271225 has 6 divisors (see below), whose sum is σ = 53656350. Its totient is φ = 34616960.

The previous prime is 43271191. The next prime is 43271231. The reversal of 43271225 is 52217234.

It can be written as a sum of positive squares in 3 ways, for example, as 8743849 + 34527376 = 2957^2 + 5876^2 .

It is not a de Polignac number, because 43271225 - 2¹⁶ = 43205689 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43271194 and 43271203.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 865400 + ... + 865449.

It is an arithmetic number, because the mean of its divisors is an integer number (8942725).

Almost surely, 2^43271225 is an apocalyptic number.

It is an amenable number.

43271225 is a deficient number, since it is larger than the sum of its proper divisors (10385125).

43271225 is a wasteful number, since it uses less digits than its factorization.

43271225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730859 (or 1730854 counting only the distinct ones).

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

The square root of 43271225 is about 6578.0867279172. The cubic root of 43271225 is about 351.0748589668.

Adding to 43271225 its reverse (52217234), we get a palindrome (95488459).

The spelling of 43271225 in words is "forty-three million, two hundred seventy-one thousand, two hundred twenty-five".