8985281 has 2 divisors, whose sum is σ = 8985282. Its totient is φ = 8985280.

The previous prime is 8985269. The next prime is 8985283. The reversal of 8985281 is 1825898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8065600 + 919681 = 2840^2 + 959^2 .

It is a cyclic number.

It is not a de Polignac number, because 8985281 - 2⁶ = 8985217 is a prime.

It is a super-2 number, since 2×8985281² = 161470549297922, which contains 22 as substring.

Together with 8985283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8985283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4492640 + 4492641.

It is an arithmetic number, because the mean of its divisors is an integer number (4492641).

Almost surely, 2^8985281 is an apocalyptic number.

It is an amenable number.

8985281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8985281 is an equidigital number, since it uses as much as digits as its factorization.

8985281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 41.

The square root of 8985281 is about 2997.5458295079. The cubic root of 8985281 is about 207.8949250473.

The spelling of 8985281 in words is "eight million, nine hundred eighty-five thousand, two hundred eighty-one".