3042161 has 2 divisors, whose sum is σ = 3042162. Its totient is φ = 3042160.

The previous prime is 3042157. The next prime is 3042163. The reversal of 3042161 is 1612403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3041536 + 625 = 1744^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 3042161 - 2² = 3042157 is a prime.

Together with 3042163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3042163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1521080 + 1521081.

It is an arithmetic number, because the mean of its divisors is an integer number (1521081).

Almost surely, 2^3042161 is an apocalyptic number.

It is an amenable number.

3042161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3042161 is an equidigital number, since it uses as much as digits as its factorization.

3042161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3042161 is about 1744.1791765756. The cubic root of 3042161 is about 144.8974463111.

Adding to 3042161 its reverse (1612403), we get a palindrome (4654564).

The spelling of 3042161 in words is "three million, forty-two thousand, one hundred sixty-one".