43472261 has 12 divisors (see below), whose sum is σ = 52202880. Its totient is φ = 36058680.

The previous prime is 43472249. The next prime is 43472287. The reversal of 43472261 is 16227434.

43472261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-43472261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43472291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12791 + ... + 15828.

It is an arithmetic number, because the mean of its divisors is an integer number (4350240).

Almost surely, 2^43472261 is an apocalyptic number.

It is an amenable number.

43472261 is a deficient number, since it is larger than the sum of its proper divisors (8730619).

43472261 is a wasteful number, since it uses less digits than its factorization.

43472261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28664 (or 28657 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 43472261 is about 6593.3497556250. The cubic root of 43472261 is about 351.6177113657.

Adding to 43472261 its reverse (16227434), we get a palindrome (59699695).

The spelling of 43472261 in words is "forty-three million, four hundred seventy-two thousand, two hundred sixty-one".