43375013 has 8 divisors (see below), whose sum is σ = 47565696. Its totient is φ = 39225600.

The previous prime is 43375009. The next prime is 43375019. The reversal of 43375013 is 31057334.

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 43375013 - 2² = 43375009 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 (43375019) 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, 8093 + ... + 12338.

It is an arithmetic number, because the mean of its divisors is an integer number (5945712).

Almost surely, 2^43375013 is an apocalyptic number.

It is an amenable number.

43375013 is a deficient number, since it is larger than the sum of its proper divisors (4190683).

43375013 is a wasteful number, since it uses less digits than its factorization.

43375013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20635.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 43375013 is about 6585.9709231062. The cubic root of 43375013 is about 351.3553245187.

The spelling of 43375013 in words is "forty-three million, three hundred seventy-five thousand, thirteen".