43241661 has 8 divisors (see below), whose sum is σ = 64061760. Its totient is φ = 28827756.

The previous prime is 43241651. The next prime is 43241669. The reversal of 43241661 is 16614234.

It is not a de Polignac number, because 43241661 - 2²² = 39047357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1601543 = 43241661 / (4 + 3 + 2 + 4 + 1 + 6 + 6 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43241669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800745 + ... + 800798.

It is an arithmetic number, because the mean of its divisors is an integer number (8007720).

Almost surely, 2^43241661 is an apocalyptic number.

It is an amenable number.

43241661 is a deficient number, since it is larger than the sum of its proper divisors (20820099).

43241661 is a wasteful number, since it uses less digits than its factorization.

43241661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601552 (or 1601546 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 43241661 is about 6575.8391859899. The cubic root of 43241661 is about 350.9948863306.

Adding to 43241661 its reverse (16614234), we get a palindrome (59855895).

The spelling of 43241661 in words is "forty-three million, two hundred forty-one thousand, six hundred sixty-one".