82107563 has 2 divisors, whose sum is σ = 82107564. Its totient is φ = 82107562.

The previous prime is 82107503. The next prime is 82107587. The reversal of 82107563 is 36570128.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82107563 - 2¹² = 82103467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82107503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41053781 + 41053782.

It is an arithmetic number, because the mean of its divisors is an integer number (41053782).

Almost surely, 2^82107563 is an apocalyptic number.

82107563 is a deficient number, since it is larger than the sum of its proper divisors (1).

82107563 is an equidigital number, since it uses as much as digits as its factorization.

82107563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 82107563 is about 9061.3223648649. The cubic root of 82107563 is about 434.6380271470.

The spelling of 82107563 in words is "eighty-two million, one hundred seven thousand, five hundred sixty-three".