854305213 has 2 divisors, whose sum is σ = 854305214. Its totient is φ = 854305212.

The previous prime is 854305187. The next prime is 854305217. The reversal of 854305213 is 312503458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518609529 + 335695684 = 22773^2 + 18322^2 .

It is a cyclic number.

It is not a de Polignac number, because 854305213 - 2⁹ = 854304701 is a prime.

It is the 29229-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854305217) by changing a digit.

It is a nontrivial repunit in base 29228.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427152606 + 427152607.

It is an arithmetic number, because the mean of its divisors is an integer number (427152607).

Almost surely, 2^854305213 is an apocalyptic number.

It is an amenable number.

854305213 is a deficient number, since it is larger than the sum of its proper divisors (1).

854305213 is an equidigital number, since it uses as much as digits as its factorization.

854305213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 854305213 is about 29228.5000128299. The cubic root of 854305213 is about 948.8648354411.

The spelling of 854305213 in words is "eight hundred fifty-four million, three hundred five thousand, two hundred thirteen".