82917193 has 2 divisors, whose sum is σ = 82917194. Its totient is φ = 82917192.

The previous prime is 82917187. The next prime is 82917203. The reversal of 82917193 is 39171928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80138304 + 2778889 = 8952^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 82917193 - 2⁵ = 82917161 is a prime.

It is equal to p_4829764 and since 82917193 and 4829764 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (82917113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41458596 + 41458597.

It is an arithmetic number, because the mean of its divisors is an integer number (41458597).

Almost surely, 2^82917193 is an apocalyptic number.

It is an amenable number.

82917193 is a deficient number, since it is larger than the sum of its proper divisors (1).

82917193 is an equidigital number, since it uses as much as digits as its factorization.

82917193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 40.

The square root of 82917193 is about 9105.8878205258. The cubic root of 82917193 is about 436.0619546250.

The spelling of 82917193 in words is "eighty-two million, nine hundred seventeen thousand, one hundred ninety-three".