6850553 has 2 divisors, whose sum is σ = 6850554. Its totient is φ = 6850552.

The previous prime is 6850531. The next prime is 6850559. The reversal of 6850553 is 3550586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6285049 + 565504 = 2507^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 6850553 - 2⁶ = 6850489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6850559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425276 + 3425277.

It is an arithmetic number, because the mean of its divisors is an integer number (3425277).

Almost surely, 2^6850553 is an apocalyptic number.

It is an amenable number.

6850553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6850553 is an equidigital number, since it uses as much as digits as its factorization.

6850553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 6850553 is about 2617.3561087479. The cubic root of 6850553 is about 189.9219716535.

The spelling of 6850553 in words is "six million, eight hundred fifty thousand, five hundred fifty-three".