580981 has 2 divisors, whose sum is σ = 580982. Its totient is φ = 580980.

The previous prime is 580969. The next prime is 580997. The reversal of 580981 is 189085.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576081 + 4900 = 759^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 580981 - 2¹⁵ = 548213 is a prime.

It is a super-2 number, since 2×580981² = 675077844722, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (580901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290490 + 290491.

It is an arithmetic number, because the mean of its divisors is an integer number (290491).

2⁵⁸⁰⁹⁸¹ is an apocalyptic number.

It is an amenable number.

580981 is a deficient number, since it is larger than the sum of its proper divisors (1).

580981 is an equidigital number, since it uses as much as digits as its factorization.

580981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 580981 is about 762.2210965330. The cubic root of 580981 is about 83.4425004835.

The spelling of 580981 in words is "five hundred eighty thousand, nine hundred eighty-one".