165301 has 4 divisors (see below), whose sum is σ = 172512. Its totient is φ = 158092.

The previous prime is 165293. The next prime is 165311. The reversal of 165301 is 103561.

165301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 165301 - 2³ = 165293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3571 + ... + 3616.

It is an arithmetic number, because the mean of its divisors is an integer number (43128).

2¹⁶⁵³⁰¹ is an apocalyptic number.

It is an amenable number.

165301 is a deficient number, since it is larger than the sum of its proper divisors (7211).

165301 is an equidigital number, since it uses as much as digits as its factorization.

165301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 165301 is about 406.5722568007. The cubic root of 165301 is about 54.8813973201.

Adding to 165301 its reverse (103561), we get a palindrome (268862).

The spelling of 165301 in words is "one hundred sixty-five thousand, three hundred one".