6126561 has 24 divisors (see below), whose sum is σ = 10443264. Its totient is φ = 3386880.

The previous prime is 6126553. The next prime is 6126577. The reversal of 6126561 is 1656216.

It is a happy number.

6126561 is a `hidden beast` number, since 6 + 1 + 2 + 656 + 1 = 666.

It is not a de Polignac number, because 6126561 - 2³ = 6126553 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (6126541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385 + ... + 3521.

It is an arithmetic number, because the mean of its divisors is an integer number (435136).

Almost surely, 2^6126561 is an apocalyptic number.

It is an amenable number.

6126561 is a deficient number, since it is larger than the sum of its proper divisors (4316703).

6126561 is a wasteful number, since it uses less digits than its factorization.

6126561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181 (or 3178 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 6126561 is about 2475.1890836863. The cubic root of 6126561 is about 182.9808275175.

The spelling of 6126561 in words is "six million, one hundred twenty-six thousand, five hundred sixty-one".