2980161 has 12 divisors (see below), whose sum is σ = 4337892. Its totient is φ = 1971456.

The previous prime is 2980157. The next prime is 2980163. The reversal of 2980161 is 1610892.

2980161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2461761 + 518400 = 1569^2 + 720^2 .

It is not a de Polignac number, because 2980161 - 2² = 2980157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2980163) 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 in 11 ways as a sum of consecutive naturals, for example, 25 + ... + 2441.

It is an arithmetic number, because the mean of its divisors is an integer number (361491).

2^2980161 is an apocalyptic number.

It is an amenable number.

2980161 is a deficient number, since it is larger than the sum of its proper divisors (1357731).

2980161 is a wasteful number, since it uses less digits than its factorization.

2980161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560 (or 2557 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2980161 is about 1726.3142819313. The cubic root of 2980161 is about 143.9063337630.

The spelling of 2980161 in words is "two million, nine hundred eighty thousand, one hundred sixty-one".