2901161 has 2 divisors, whose sum is σ = 2901162. Its totient is φ = 2901160.

The previous prime is 2901127. The next prime is 2901181. The reversal of 2901161 is 1611092.

It is an a-pointer prime, because the next prime (2901181) can be obtained adding 2901161 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2785561 + 115600 = 1669^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2901161 - 2⁶ = 2901097 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2901121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1450580 + 1450581.

It is an arithmetic number, because the mean of its divisors is an integer number (1450581).

2^2901161 is an apocalyptic number.

It is an amenable number.

2901161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2901161 is an equidigital number, since it uses as much as digits as its factorization.

2901161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2901161 is about 1703.2794838194. The cubic root of 2901161 is about 142.6233424752.

It can be divided in two parts, 29011 and 61, that multiplied together give a palindrome (1769671).

The spelling of 2901161 in words is "two million, nine hundred one thousand, one hundred sixty-one".