82463189 has 2 divisors, whose sum is σ = 82463190. Its totient is φ = 82463188.

The previous prime is 82463149. The next prime is 82463191. The reversal of 82463189 is 98136428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80694289 + 1768900 = 8983^2 + 1330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82463189 is a prime.

It is a Sophie Germain prime.

Together with 82463191, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82463149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41231594 + 41231595.

It is an arithmetic number, because the mean of its divisors is an integer number (41231595).

Almost surely, 2^82463189 is an apocalyptic number.

It is an amenable number.

82463189 is a deficient number, since it is larger than the sum of its proper divisors (1).

82463189 is an equidigital number, since it uses as much as digits as its factorization.

82463189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 82463189 is about 9080.9244573446. The cubic root of 82463189 is about 435.2646278154.

The spelling of 82463189 in words is "eighty-two million, four hundred sixty-three thousand, one hundred eighty-nine".