6051561 has 4 divisors (see below), whose sum is σ = 8068752. Its totient is φ = 4034372.

The previous prime is 6051533. The next prime is 6051581. The reversal of 6051561 is 1651506.

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 6051561 - 2⁶ = 6051497 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6051511) 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, 1008591 + ... + 1008596.

It is an arithmetic number, because the mean of its divisors is an integer number (2017188).

Almost surely, 2^6051561 is an apocalyptic number.

It is an amenable number.

6051561 is a deficient number, since it is larger than the sum of its proper divisors (2017191).

6051561 is a wasteful number, since it uses less digits than its factorization.

6051561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017190.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 6051561 is about 2459.9920731580. The cubic root of 6051561 is about 182.2310895419.

The spelling of 6051561 in words is "six million, fifty-one thousand, five hundred sixty-one".