43000061 has 8 divisors (see below), whose sum is σ = 46362624. Its totient is φ = 39645360.

The previous prime is 43000057. The next prime is 43000063. The reversal of 43000061 is 16000034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43000061 - 2² = 43000057 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 (43000063) 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 7 ways as a sum of consecutive naturals, for example, 14660 + ... + 17346.

It is an arithmetic number, because the mean of its divisors is an integer number (5795328).

Almost surely, 2^43000061 is an apocalyptic number.

It is an amenable number.

43000061 is a deficient number, since it is larger than the sum of its proper divisors (3362563).

43000061 is a wasteful number, since it uses less digits than its factorization.

43000061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 43000061 is about 6557.4431755067. The cubic root of 43000061 is about 350.3399717032.

Adding to 43000061 its reverse (16000034), we get a palindrome (59000095).

The spelling of 43000061 in words is "forty-three million, sixty-one", and thus it is an aban number and an uban number.