4097281 has 2 divisors, whose sum is σ = 4097282. Its totient is φ = 4097280.

The previous prime is 4097279. The next prime is 4097299. The reversal of 4097281 is 1827904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 410881 = 1920^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 4097281 - 2¹ = 4097279 is a prime.

It is a super-2 number, since 2×4097281² = 33575423185922, which contains 22 as substring.

Together with 4097279, it forms a pair of twin primes.

It is a Chen prime.

4097281 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4097231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048640 + 2048641.

It is an arithmetic number, because the mean of its divisors is an integer number (2048641).

Almost surely, 2^4097281 is an apocalyptic number.

It is an amenable number.

4097281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4097281 is an equidigital number, since it uses as much as digits as its factorization.

4097281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 4097281 is about 2024.1741525867. The cubic root of 4097281 is about 160.0166779490.

The spelling of 4097281 in words is "four million, ninety-seven thousand, two hundred eighty-one".