82508273 has 2 divisors, whose sum is σ = 82508274. Its totient is φ = 82508272.

The previous prime is 82508269. The next prime is 82508287. The reversal of 82508273 is 37280528.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70174129 + 12334144 = 8377^2 + 3512^2 .

It is a cyclic number.

It is not a de Polignac number, because 82508273 - 2² = 82508269 is a prime.

It is a super-2 number, since 2×82508273² = 13615230226885058, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (82508233) 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, 41254136 + 41254137.

It is an arithmetic number, because the mean of its divisors is an integer number (41254137).

Almost surely, 2^82508273 is an apocalyptic number.

It is an amenable number.

82508273 is a deficient number, since it is larger than the sum of its proper divisors (1).

82508273 is an equidigital number, since it uses as much as digits as its factorization.

82508273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 82508273 is about 9083.4064645374. The cubic root of 82508273 is about 435.3439355066.

The spelling of 82508273 in words is "eighty-two million, five hundred eight thousand, two hundred seventy-three".