43330061 has 4 divisors (see below), whose sum is σ = 43548000. Its totient is φ = 43112124.

The previous prime is 43330057. The next prime is 43330073. The reversal of 43330061 is 16003334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16003334 = 2 ⋅8001667.

It is a cyclic number.

It is not a de Polignac number, because 43330061 - 2² = 43330057 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 (43330081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108671 + ... + 109068.

It is an arithmetic number, because the mean of its divisors is an integer number (10887000).

Almost surely, 2^43330061 is an apocalyptic number.

It is an amenable number.

43330061 is a deficient number, since it is larger than the sum of its proper divisors (217939).

43330061 is a wasteful number, since it uses less digits than its factorization.

43330061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217938.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 43330061 is about 6582.5573297921. The cubic root of 43330061 is about 351.2339060436.

Adding to 43330061 its reverse (16003334), we get a palindrome (59333395).

The spelling of 43330061 in words is "forty-three million, three hundred thirty thousand, sixty-one".