2948161 has 2 divisors, whose sum is σ = 2948162. Its totient is φ = 2948160.

The previous prime is 2948159. The next prime is 2948167. The reversal of 2948161 is 1618492.

It is a happy number.

2948161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2624400 + 323761 = 1620^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 2948161 - 2¹ = 2948159 is a prime.

Together with 2948159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2948167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1474080 + 1474081.

It is an arithmetic number, because the mean of its divisors is an integer number (1474081).

2^2948161 is an apocalyptic number.

It is an amenable number.

2948161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2948161 is an equidigital number, since it uses as much as digits as its factorization.

2948161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 2948161 is about 1717.0209666745. The cubic root of 2948161 is about 143.3894059803.

The spelling of 2948161 in words is "two million, nine hundred forty-eight thousand, one hundred sixty-one".