6450553 has 2 divisors, whose sum is σ = 6450554. Its totient is φ = 6450552.

The previous prime is 6450541. The next prime is 6450583. The reversal of 6450553 is 3550546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4700224 + 1750329 = 2168^2 + 1323^2 .

It is a cyclic number.

It is not a de Polignac number, because 6450553 - 2¹³ = 6442361 is a prime.

It is not a weakly prime, because it can be changed into another prime (6450503) 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, 3225276 + 3225277.

It is an arithmetic number, because the mean of its divisors is an integer number (3225277).

Almost surely, 2^6450553 is an apocalyptic number.

It is an amenable number.

6450553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6450553 is an equidigital number, since it uses as much as digits as its factorization.

6450553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 6450553 is about 2539.7938892753. The cubic root of 6450553 is about 186.1511181800.

The spelling of 6450553 in words is "six million, four hundred fifty thousand, five hundred fifty-three".