165302303 has 2 divisors, whose sum is σ = 165302304. Its totient is φ = 165302302.

The previous prime is 165302279. The next prime is 165302309. The reversal of 165302303 is 303203561.

165302303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165302303 - 2¹⁶ = 165236767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165302309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82651151 + 82651152.

It is an arithmetic number, because the mean of its divisors is an integer number (82651152).

Almost surely, 2^165302303 is an apocalyptic number.

165302303 is a deficient number, since it is larger than the sum of its proper divisors (1).

165302303 is an equidigital number, since it uses as much as digits as its factorization.

165302303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 165302303 is about 12856.9943221579. The cubic root of 165302303 is about 548.8154152225.

Adding to 165302303 its reverse (303203561), we get a palindrome (468505864).

The spelling of 165302303 in words is "one hundred sixty-five million, three hundred two thousand, three hundred three".