980081 has 2 divisors, whose sum is σ = 980082. Its totient is φ = 980080.

The previous prime is 980071. The next prime is 980107. The reversal of 980081 is 180089.

It is an a-pointer prime, because the next prime (980107) can be obtained adding 980081 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600625 + 379456 = 775^2 + 616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-980081 is a prime.

It is a super-2 number, since 2×980081² = 1921117533122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 980081.

It is not a weakly prime, because it can be changed into another prime (980071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490040 + 490041.

It is an arithmetic number, because the mean of its divisors is an integer number (490041).

2⁹⁸⁰⁰⁸¹ is an apocalyptic number.

It is an amenable number.

980081 is a deficient number, since it is larger than the sum of its proper divisors (1).

980081 is an equidigital number, since it uses as much as digits as its factorization.

980081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 980081 is about 989.9904039939. The cubic root of 980081 is about 99.3315753734.

The spelling of 980081 in words is "nine hundred eighty thousand, eighty-one".