165002287 has 2 divisors, whose sum is σ = 165002288. Its totient is φ = 165002286.

The previous prime is 165002281. The next prime is 165002311. The reversal of 165002287 is 782200561.

It is a weak prime.

It is an emirp because it is prime and its reverse (782200561) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165002287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165002281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82501143 + 82501144.

It is an arithmetic number, because the mean of its divisors is an integer number (82501144).

Almost surely, 2^165002287 is an apocalyptic number.

165002287 is a deficient number, since it is larger than the sum of its proper divisors (1).

165002287 is an equidigital number, since it uses as much as digits as its factorization.

165002287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 165002287 is about 12845.3215997109. The cubic root of 165002287 is about 548.4831893230.

The spelling of 165002287 in words is "one hundred sixty-five million, two thousand, two hundred eighty-seven".