13755281 has 2 divisors, whose sum is σ = 13755282. Its totient is φ = 13755280.

The previous prime is 13755277. The next prime is 13755293. The reversal of 13755281 is 18255731.

13755281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13140625 + 614656 = 3625^2 + 784^2 .

It is a cyclic number.

It is not a de Polignac number, because 13755281 - 2² = 13755277 is a prime.

It is a super-2 number, since 2×13755281² = 378415510777922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13755271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6877640 + 6877641.

It is an arithmetic number, because the mean of its divisors is an integer number (6877641).

Almost surely, 2^13755281 is an apocalyptic number.

It is an amenable number.

13755281 is a deficient number, since it is larger than the sum of its proper divisors (1).

13755281 is an equidigital number, since it uses as much as digits as its factorization.

13755281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 32.

The square root of 13755281 is about 3708.8112650821. The cubic root of 13755281 is about 239.6016598222.

The spelling of 13755281 in words is "thirteen million, seven hundred fifty-five thousand, two hundred eighty-one".