96581 has 2 divisors, whose sum is σ = 96582. Its totient is φ = 96580.

The previous prime is 96557. The next prime is 96587. The reversal of 96581 is 18569.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52900 + 43681 = 230^2 + 209^2 .

It is a cyclic number.

It is not a de Polignac number, because 96581 - 2⁶ = 96517 is a prime.

It is a super-2 number, since 2×96581² = 18655779122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a pancake number, because a pancake can be divided into 96581 parts by 439 straight cuts.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48290 + 48291.

It is an arithmetic number, because the mean of its divisors is an integer number (48291).

2⁹⁶⁵⁸¹ is an apocalyptic number.

It is an amenable number.

96581 is a deficient number, since it is larger than the sum of its proper divisors (1).

96581 is an equidigital number, since it uses as much as digits as its factorization.

96581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 96581 is about 310.7748381063. The cubic root of 96581 is about 45.8807560582.

The spelling of 96581 in words is "ninety-six thousand, five hundred eighty-one".