4043200561 has 4 divisors (see below), whose sum is σ = 4182621300. Its totient is φ = 3903779824.

The previous prime is 4043200543. The next prime is 4043200631. The reversal of 4043200561 is 1650023404.

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 3014010000 + 1029190561 = 54900^2 + 32081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4043200561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4043200531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69710326 + ... + 69710383.

It is an arithmetic number, because the mean of its divisors is an integer number (1045655325).

Almost surely, 2^4043200561 is an apocalyptic number.

It is an amenable number.

4043200561 is a deficient number, since it is larger than the sum of its proper divisors (139420739).

4043200561 is a wasteful number, since it uses less digits than its factorization.

4043200561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139420738.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4043200561 is about 63586.1664279268. The cubic root of 4043200561 is about 1593.0953192736.

Adding to 4043200561 its reverse (1650023404), we get a palindrome (5693223965).

The spelling of 4043200561 in words is "four billion, forty-three million, two hundred thousand, five hundred sixty-one".