6448553 has 2 divisors, whose sum is σ = 6448554. Its totient is φ = 6448552.

The previous prime is 6448537. The next prime is 6448567. The reversal of 6448553 is 3558446.

6448553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4129024 + 2319529 = 2032^2 + 1523^2 .

It is a cyclic number.

It is not a de Polignac number, because 6448553 - 2⁴ = 6448537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6448573) 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, 3224276 + 3224277.

It is an arithmetic number, because the mean of its divisors is an integer number (3224277).

Almost surely, 2^6448553 is an apocalyptic number.

It is an amenable number.

6448553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6448553 is an equidigital number, since it uses as much as digits as its factorization.

6448553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 35.

The square root of 6448553 is about 2539.4001260140. The cubic root of 6448553 is about 186.1318774152.

The spelling of 6448553 in words is "six million, four hundred forty-eight thousand, five hundred fifty-three".