6551653 has 2 divisors, whose sum is σ = 6551654. Its totient is φ = 6551652.

The previous prime is 6551639. The next prime is 6551689. The reversal of 6551653 is 3561556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5963364 + 588289 = 2442^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 6551653 - 2⁹ = 6551141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6551603) 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, 3275826 + 3275827.

It is an arithmetic number, because the mean of its divisors is an integer number (3275827).

Almost surely, 2^6551653 is an apocalyptic number.

It is an amenable number.

6551653 is a deficient number, since it is larger than the sum of its proper divisors (1).

6551653 is an equidigital number, since it uses as much as digits as its factorization.

6551653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 31.

The square root of 6551653 is about 2559.6196983146. The cubic root of 6551653 is about 187.1186013055.

The spelling of 6551653 in words is "six million, five hundred fifty-one thousand, six hundred fifty-three".