82182017 has 2 divisors, whose sum is σ = 82182018. Its totient is φ = 82182016.

The previous prime is 82182007. The next prime is 82182031. The reversal of 82182017 is 71028128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82156096 + 25921 = 9064^2 + 161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82182017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82182007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41091008 + 41091009.

It is an arithmetic number, because the mean of its divisors is an integer number (41091009).

Almost surely, 2^82182017 is an apocalyptic number.

It is an amenable number.

82182017 is a deficient number, since it is larger than the sum of its proper divisors (1).

82182017 is an equidigital number, since it uses as much as digits as its factorization.

82182017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 82182017 is about 9065.4297746990. The cubic root of 82182017 is about 434.7693620368.

The spelling of 82182017 in words is "eighty-two million, one hundred eighty-two thousand, seventeen".