82825219 has 2 divisors, whose sum is σ = 82825220. Its totient is φ = 82825218.

The previous prime is 82825217. The next prime is 82825261. The reversal of 82825219 is 91252828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82825219 - 2¹ = 82825217 is a prime.

It is a super-2 number, since 2×82825219² = 13720033804795922, which contains 22 as substring.

Together with 82825217, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82825213) 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, 41412609 + 41412610.

It is an arithmetic number, because the mean of its divisors is an integer number (41412610).

Almost surely, 2^82825219 is an apocalyptic number.

82825219 is a deficient number, since it is larger than the sum of its proper divisors (1).

82825219 is an equidigital number, since it uses as much as digits as its factorization.

82825219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 37.

The square root of 82825219 is about 9100.8361703747. The cubic root of 82825219 is about 435.9006643910.

The spelling of 82825219 in words is "eighty-two million, eight hundred twenty-five thousand, two hundred nineteen".