6235561 has 2 divisors, whose sum is σ = 6235562. Its totient is φ = 6235560.

The previous prime is 6235543. The next prime is 6235571. The reversal of 6235561 is 1655326.

6235561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5953600 + 281961 = 2440^2 + 531^2 .

It is a cyclic number.

It is not a de Polignac number, because 6235561 - 2⁵ = 6235529 is a prime.

6235561 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6235531) 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 as a sum of consecutive naturals, namely, 3117780 + 3117781.

It is an arithmetic number, because the mean of its divisors is an integer number (3117781).

Almost surely, 2^6235561 is an apocalyptic number.

It is an amenable number.

6235561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6235561 is an equidigital number, since it uses as much as digits as its factorization.

6235561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The square root of 6235561 is about 2497.1105301928. The cubic root of 6235561 is about 184.0596156070.

The spelling of 6235561 in words is "six million, two hundred thirty-five thousand, five hundred sixty-one".