82100063 has 2 divisors, whose sum is σ = 82100064. Its totient is φ = 82100062.

The previous prime is 82100027. The next prime is 82100149. The reversal of 82100063 is 36000128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82100063 - 2²⁴ = 65322847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82300063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41050031 + 41050032.

It is an arithmetic number, because the mean of its divisors is an integer number (41050032).

Almost surely, 2^82100063 is an apocalyptic number.

82100063 is a deficient number, since it is larger than the sum of its proper divisors (1).

82100063 is an equidigital number, since it uses as much as digits as its factorization.

82100063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 82100063 is about 9060.9085085327. The cubic root of 82100063 is about 434.6247929440.

The spelling of 82100063 in words is "eighty-two million, one hundred thousand, sixty-three".