82165043 has 2 divisors, whose sum is σ = 82165044. Its totient is φ = 82165042.

The previous prime is 82165021. The next prime is 82165051. The reversal of 82165043 is 34056128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82165043 - 2²⁶ = 15056179 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 82164997 and 82165015.

It is not a weakly prime, because it can be changed into another prime (82165003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41082521 + 41082522.

It is an arithmetic number, because the mean of its divisors is an integer number (41082522).

Almost surely, 2^82165043 is an apocalyptic number.

82165043 is a deficient number, since it is larger than the sum of its proper divisors (1).

82165043 is an equidigital number, since it uses as much as digits as its factorization.

82165043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 82165043 is about 9064.4935324595. The cubic root of 82165043 is about 434.7394273319.

The spelling of 82165043 in words is "eighty-two million, one hundred sixty-five thousand, forty-three".