82005163 has 2 divisors, whose sum is σ = 82005164. Its totient is φ = 82005162.

The previous prime is 82005107. The next prime is 82005173. The reversal of 82005163 is 36150028.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82005163 is a prime.

It is not a weakly prime, because it can be changed into another prime (82005173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41002581 + 41002582.

It is an arithmetic number, because the mean of its divisors is an integer number (41002582).

Almost surely, 2^82005163 is an apocalyptic number.

82005163 is a deficient number, since it is larger than the sum of its proper divisors (1).

82005163 is an equidigital number, since it uses as much as digits as its factorization.

82005163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 82005163 is about 9055.6702126347. The cubic root of 82005163 is about 434.4572664985.

The spelling of 82005163 in words is "eighty-two million, five thousand, one hundred sixty-three".