6556741 has 2 divisors, whose sum is σ = 6556742. Its totient is φ = 6556740.

The previous prime is 6556727. The next prime is 6556757. The reversal of 6556741 is 1476556.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5080516 + 1476225 = 2254^2 + 1215^2 .

It is a cyclic number.

It is not a de Polignac number, because 6556741 - 2⁵ = 6556709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6556697 and 6556706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6550741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278370 + 3278371.

It is an arithmetic number, because the mean of its divisors is an integer number (3278371).

Almost surely, 2^6556741 is an apocalyptic number.

It is an amenable number.

6556741 is a deficient number, since it is larger than the sum of its proper divisors (1).

6556741 is an equidigital number, since it uses as much as digits as its factorization.

6556741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 6556741 is about 2560.6134030736. The cubic root of 6556741 is about 187.1670274098.

It can be divided in two parts, 655 and 6741, that added together give a square (7396 = 86²).

The spelling of 6556741 in words is "six million, five hundred fifty-six thousand, seven hundred forty-one".