6705553 has 2 divisors, whose sum is σ = 6705554. Its totient is φ = 6705552.

The previous prime is 6705541. The next prime is 6705557. The reversal of 6705553 is 3555076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6115729 + 589824 = 2473^2 + 768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6705553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6705557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3352776 + 3352777.

It is an arithmetic number, because the mean of its divisors is an integer number (3352777).

Almost surely, 2^6705553 is an apocalyptic number.

It is an amenable number.

6705553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6705553 is an equidigital number, since it uses as much as digits as its factorization.

6705553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 6705553 is about 2589.5082544761. The cubic root of 6705553 is about 188.5724309875.

The spelling of 6705553 in words is "six million, seven hundred five thousand, five hundred fifty-three".