4050043 has 4 divisors (see below), whose sum is σ = 4079320. Its totient is φ = 4020768.

The previous prime is 4050031. The next prime is 4050049. The reversal of 4050043 is 3400504.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4050043 is a prime.

It is a Duffinian number.

4050043 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4049999 and 4050026.

It is not an unprimeable number, because it can be changed into a prime (4050049) 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, 14430 + ... + 14707.

It is an arithmetic number, because the mean of its divisors is an integer number (1019830).

Almost surely, 2^4050043 is an apocalyptic number.

4050043 is a deficient number, since it is larger than the sum of its proper divisors (29277).

4050043 is a wasteful number, since it uses less digits than its factorization.

4050043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29276.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 4050043 is about 2012.4718631573. The cubic root of 4050043 is about 159.3993495028.

Adding to 4050043 its reverse (3400504), we get a palindrome (7450547).

The spelling of 4050043 in words is "four million, fifty thousand, forty-three".