275441281 has 2 divisors, whose sum is σ = 275441282. Its totient is φ = 275441280.

The previous prime is 275441279. The next prime is 275441317. The reversal of 275441281 is 182144572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184525056 + 90916225 = 13584^2 + 9535^2 .

It is a cyclic number.

It is not a de Polignac number, because 275441281 - 2¹ = 275441279 is a prime.

It is a super-2 number, since 2×275441281² = 151735798557841922, which contains 22 as substring.

Together with 275441279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (275441381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137720640 + 137720641.

It is an arithmetic number, because the mean of its divisors is an integer number (137720641).

Almost surely, 2^275441281 is an apocalyptic number.

275441281 is the 10497-th centered pentagonal number.

It is an amenable number.

275441281 is a deficient number, since it is larger than the sum of its proper divisors (1).

275441281 is an equidigital number, since it uses as much as digits as its factorization.

275441281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17920, while the sum is 34.

The square root of 275441281 is about 16596.4237412763. The cubic root of 275441281 is about 650.6433716575.

The spelling of 275441281 in words is "two hundred seventy-five million, four hundred forty-one thousand, two hundred eighty-one".