6742553 has 2 divisors, whose sum is σ = 6742554. Its totient is φ = 6742552.

The previous prime is 6742517. The next prime is 6742559. The reversal of 6742553 is 3552476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6538249 + 204304 = 2557^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 6742553 - 2¹⁶ = 6677017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6742559) 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, 3371276 + 3371277.

It is an arithmetic number, because the mean of its divisors is an integer number (3371277).

Almost surely, 2^6742553 is an apocalyptic number.

It is an amenable number.

6742553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6742553 is an equidigital number, since it uses as much as digits as its factorization.

6742553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 32.

The square root of 6742553 is about 2596.6426400258. The cubic root of 6742553 is about 188.9186309311.

The spelling of 6742553 in words is "six million, seven hundred forty-two thousand, five hundred fifty-three".