82265189 has 2 divisors, whose sum is σ = 82265190. Its totient is φ = 82265188.

The previous prime is 82265179. The next prime is 82265191. The reversal of 82265189 is 98156228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82264900 + 289 = 9070^2 + 17^2 .

It is a cyclic number.

It is not a de Polignac number, because 82265189 - 2⁸ = 82264933 is a prime.

It is a super-2 number, since 2×82265189² = 13535122642411442, which contains 22 as substring.

Together with 82265191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82265119) 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, 41132594 + 41132595.

It is an arithmetic number, because the mean of its divisors is an integer number (41132595).

Almost surely, 2^82265189 is an apocalyptic number.

It is an amenable number.

82265189 is a deficient number, since it is larger than the sum of its proper divisors (1).

82265189 is an equidigital number, since it uses as much as digits as its factorization.

82265189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 41.

The square root of 82265189 is about 9070.0159316288. The cubic root of 82265189 is about 434.9159814832.

The spelling of 82265189 in words is "eighty-two million, two hundred sixty-five thousand, one hundred eighty-nine".