6016561 has 4 divisors (see below), whose sum is σ = 6092800. Its totient is φ = 5940324.

The previous prime is 6016541. The next prime is 6016579. The reversal of 6016561 is 1656106.

6016561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6016561 - 2⁵ = 6016529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6016541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38001 + ... + 38158.

It is an arithmetic number, because the mean of its divisors is an integer number (1523200).

Almost surely, 2^6016561 is an apocalyptic number.

It is an amenable number.

6016561 is a deficient number, since it is larger than the sum of its proper divisors (76239).

6016561 is an equidigital number, since it uses as much as digits as its factorization.

6016561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76238.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 6016561 is about 2452.8679132803. The cubic root of 6016561 is about 181.8790908886.

The spelling of 6016561 in words is "six million, sixteen thousand, five hundred sixty-one".