82517723 has 2 divisors, whose sum is σ = 82517724. Its totient is φ = 82517722.

The previous prime is 82517717. The next prime is 82517761. The reversal of 82517723 is 32771528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82517723 - 2⁸ = 82517467 is a prime.

It is not a weakly prime, because it can be changed into another prime (82517783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41258861 + 41258862.

It is an arithmetic number, because the mean of its divisors is an integer number (41258862).

Almost surely, 2^82517723 is an apocalyptic number.

82517723 is a deficient number, since it is larger than the sum of its proper divisors (1).

82517723 is an equidigital number, since it uses as much as digits as its factorization.

82517723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 35.

The square root of 82517723 is about 9083.9266289419. The cubic root of 82517723 is about 435.3605554284.

The spelling of 82517723 in words is "eighty-two million, five hundred seventeen thousand, seven hundred twenty-three".