6705557 has 2 divisors, whose sum is σ = 6705558. Its totient is φ = 6705556.

The previous prime is 6705553. The next prime is 6705563. The reversal of 6705557 is 7555076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5541316 + 1164241 = 2354^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 6705557 - 2² = 6705553 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6705553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3352778 + 3352779.

It is an arithmetic number, because the mean of its divisors is an integer number (3352779).

Almost surely, 2^6705557 is an apocalyptic number.

It is an amenable number.

6705557 is a deficient number, since it is larger than the sum of its proper divisors (1).

6705557 is an equidigital number, since it uses as much as digits as its factorization.

6705557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 6705557 is about 2589.5090268234. The cubic root of 6705557 is about 188.5724684833.

The spelling of 6705557 in words is "six million, seven hundred five thousand, five hundred fifty-seven".