82534217 has 2 divisors, whose sum is σ = 82534218. Its totient is φ = 82534216.

The previous prime is 82534211. The next prime is 82534219. The reversal of 82534217 is 71243528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60902416 + 21631801 = 7804^2 + 4651^2 .

It is a cyclic number.

It is not a de Polignac number, because 82534217 - 2¹⁰ = 82533193 is a prime.

Together with 82534219, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_4808660 and since 82534217 and 4808660 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 (82534211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41267108 + 41267109.

It is an arithmetic number, because the mean of its divisors is an integer number (41267109).

Almost surely, 2^82534217 is an apocalyptic number.

It is an amenable number.

82534217 is a deficient number, since it is larger than the sum of its proper divisors (1).

82534217 is an equidigital number, since it uses as much as digits as its factorization.

82534217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 82534217 is about 9084.8344508857. The cubic root of 82534217 is about 435.3895607473.

The spelling of 82534217 in words is "eighty-two million, five hundred thirty-four thousand, two hundred seventeen".