854258219 has 2 divisors, whose sum is σ = 854258220. Its totient is φ = 854258218.

The previous prime is 854258131. The next prime is 854258269. The reversal of 854258219 is 912852458.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854258219 is a prime.

It is a super-2 number, since 2×854258219² = 1459514209458103922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 854258219.

It is not a weakly prime, because it can be changed into another prime (854258269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427129109 + 427129110.

It is an arithmetic number, because the mean of its divisors is an integer number (427129110).

Almost surely, 2^854258219 is an apocalyptic number.

854258219 is a deficient number, since it is larger than the sum of its proper divisors (1).

854258219 is an equidigital number, since it uses as much as digits as its factorization.

854258219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 44.

The square root of 854258219 is about 29227.6960946291. The cubic root of 854258219 is about 948.8474365962.

The spelling of 854258219 in words is "eight hundred fifty-four million, two hundred fifty-eight thousand, two hundred nineteen".