82050217 has 2 divisors, whose sum is σ = 82050218. Its totient is φ = 82050216.

The previous prime is 82050191. The next prime is 82050239. The reversal of 82050217 is 71205028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65108761 + 16941456 = 8069^2 + 4116^2 .

It is a cyclic number.

It is not a de Polignac number, because 82050217 - 2¹⁵ = 82017449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82050191 and 82050200.

It is not a weakly prime, because it can be changed into another prime (82056217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41025108 + 41025109.

It is an arithmetic number, because the mean of its divisors is an integer number (41025109).

Almost surely, 2^82050217 is an apocalyptic number.

It is an amenable number.

82050217 is a deficient number, since it is larger than the sum of its proper divisors (1).

82050217 is an equidigital number, since it uses as much as digits as its factorization.

82050217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 82050217 is about 9058.1574837270. The cubic root of 82050217 is about 434.5368161812.

It can be divided in two parts, 8205021 and 7, that added together give a palindrome (8205028).

The spelling of 82050217 in words is "eighty-two million, fifty thousand, two hundred seventeen".