850542853 has 2 divisors, whose sum is σ = 850542854. Its totient is φ = 850542852.

The previous prime is 850542841. The next prime is 850542859. The reversal of 850542853 is 358245058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451222564 + 399320289 = 21242^2 + 19983^2 .

It is a cyclic number.

It is not a de Polignac number, because 850542853 - 2⁵ = 850542821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850542859) 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, 425271426 + 425271427.

It is an arithmetic number, because the mean of its divisors is an integer number (425271427).

Almost surely, 2^850542853 is an apocalyptic number.

It is an amenable number.

850542853 is a deficient number, since it is larger than the sum of its proper divisors (1).

850542853 is an equidigital number, since it uses as much as digits as its factorization.

850542853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192000, while the sum is 40.

The square root of 850542853 is about 29164.0678404094. The cubic root of 850542853 is about 947.4698520771.

The spelling of 850542853 in words is "eight hundred fifty million, five hundred forty-two thousand, eight hundred fifty-three".