165344273 has 2 divisors, whose sum is σ = 165344274. Its totient is φ = 165344272.

The previous prime is 165344243. The next prime is 165344279. The reversal of 165344273 is 372443561.

165344273 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 can be written as a sum of positive squares in only one way, i.e., 116791249 + 48553024 = 10807^2 + 6968^2 .

It is a cyclic number.

It is not a de Polignac number, because 165344273 - 2⁶ = 165344209 is a prime.

It is a super-2 number, since 2×165344273² = 54677457227797058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (165344279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82672136 + 82672137.

It is an arithmetic number, because the mean of its divisors is an integer number (82672137).

Almost surely, 2^165344273 is an apocalyptic number.

It is an amenable number.

165344273 is a deficient number, since it is larger than the sum of its proper divisors (1).

165344273 is an equidigital number, since it uses as much as digits as its factorization.

165344273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 165344273 is about 12858.6264040915. The cubic root of 165344273 is about 548.8618590881.

The spelling of 165344273 in words is "one hundred sixty-five million, three hundred forty-four thousand, two hundred seventy-three".