2980081 has 4 divisors (see below), whose sum is σ = 3209332. Its totient is φ = 2750832.

The previous prime is 2980067. The next prime is 2980121. The reversal of 2980081 is 1800892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1540081 + 1440000 = 1241^2 + 1200^2 .

It is a cyclic number.

It is not a de Polignac number, because 2980081 - 2⁹ = 2979569 is a prime.

It is a super-2 number, since 2×2980081² = 17761765533122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2980001) 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 in 3 ways as a sum of consecutive naturals, for example, 114606 + ... + 114631.

It is an arithmetic number, because the mean of its divisors is an integer number (802333).

2^2980081 is an apocalyptic number.

It is an amenable number.

2980081 is a deficient number, since it is larger than the sum of its proper divisors (229251).

2980081 is a wasteful number, since it uses less digits than its factorization.

2980081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229250.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 2980081 is about 1726.2911110239. The cubic root of 2980081 is about 143.9050460686.

The spelling of 2980081 in words is "two million, nine hundred eighty thousand, eighty-one".