82165003 has 2 divisors, whose sum is σ = 82165004. Its totient is φ = 82165002.

The previous prime is 82164991. The next prime is 82165021. The reversal of 82165003 is 30056128.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82165003 is a prime.

It is not a weakly prime, because it can be changed into another prime (82165043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41082501 + 41082502.

It is an arithmetic number, because the mean of its divisors is an integer number (41082502).

Almost surely, 2^82165003 is an apocalyptic number.

82165003 is a deficient number, since it is larger than the sum of its proper divisors (1).

82165003 is an equidigital number, since it uses as much as digits as its factorization.

82165003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 82165003 is about 9064.4913260480. The cubic root of 82165003 is about 434.7393567846.

The spelling of 82165003 in words is "eighty-two million, one hundred sixty-five thousand, three".