43001113 has 4 divisors (see below), whose sum is σ = 44483940. Its totient is φ = 41518288.

The previous prime is 43001089. The next prime is 43001117. The reversal of 43001113 is 31110034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26904969 + 16096144 = 5187^2 + 4012^2 .

It is a cyclic number.

It is not a de Polignac number, because 43001113 - 2⁵ = 43001081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43001093 and 43001102.

It is not an unprimeable number, because it can be changed into a prime (43001117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741370 + ... + 741427.

It is an arithmetic number, because the mean of its divisors is an integer number (11120985).

Almost surely, 2^43001113 is an apocalyptic number.

It is an amenable number.

43001113 is a deficient number, since it is larger than the sum of its proper divisors (1482827).

43001113 is a wasteful number, since it uses less digits than its factorization.

43001113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482826.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 43001113 is about 6557.5233892072. The cubic root of 43001113 is about 350.3428287118.

Adding to 43001113 its reverse (31110034), we get a palindrome (74111147).

The spelling of 43001113 in words is "forty-three million, one thousand, one hundred thirteen".