6553331 has 2 divisors, whose sum is σ = 6553332. Its totient is φ = 6553330.

The previous prime is 6553319. The next prime is 6553343. The reversal of 6553331 is 1333556.

It is a balanced prime because it is at equal distance from previous prime (6553319) and next prime (6553343).

It is a cyclic number.

It is not a de Polignac number, because 6553331 - 2¹⁰ = 6552307 is a prime.

It is a super-2 number, since 2×6553331² = 85892294391122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6553331.

It is not a weakly prime, because it can be changed into another prime (6553361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276665 + 3276666.

It is an arithmetic number, because the mean of its divisors is an integer number (3276666).

Almost surely, 2^6553331 is an apocalyptic number.

6553331 is a deficient number, since it is larger than the sum of its proper divisors (1).

6553331 is an equidigital number, since it uses as much as digits as its factorization.

6553331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 26.

The square root of 6553331 is about 2559.9474603984. The cubic root of 6553331 is about 187.1345747914.

Adding to 6553331 its reverse (1333556), we get a palindrome (7886887).

The spelling of 6553331 in words is "six million, five hundred fifty-three thousand, three hundred thirty-one".