333161 has 2 divisors, whose sum is σ = 333162. Its totient is φ = 333160.

The previous prime is 333139. The next prime is 333187. The reversal of 333161 is 161333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309136 + 24025 = 556^2 + 155^2 .

It is an emirp because it is prime and its reverse (161333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 333161 - 2⁶ = 333097 is a prime.

It is a super-2 number, since 2×333161² = 221992503842, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 333161.

It is not a weakly prime, because it can be changed into another prime (333101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166580 + 166581.

It is an arithmetic number, because the mean of its divisors is an integer number (166581).

2³³³¹⁶¹ is an apocalyptic number.

It is an amenable number.

333161 is a deficient number, since it is larger than the sum of its proper divisors (1).

333161 is an equidigital number, since it uses as much as digits as its factorization.

333161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 17.

The square root of 333161 is about 577.2010048501. The cubic root of 333161 is about 69.3241764493.

Adding to 333161 its reverse (161333), we get a palindrome (494494).

It can be divided in two parts, 333 and 161, that added together give a palindrome (494).

The spelling of 333161 in words is "three hundred thirty-three thousand, one hundred sixty-one".