14381281 has 2 divisors, whose sum is σ = 14381282. Its totient is φ = 14381280.

The previous prime is 14381251. The next prime is 14381287. The reversal of 14381281 is 18218341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7750656 + 6630625 = 2784^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 14381281 - 2⁵ = 14381249 is a prime.

It is a super-2 number, since 2×14381281² = 413642486401922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14381287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7190640 + 7190641.

It is an arithmetic number, because the mean of its divisors is an integer number (7190641).

Almost surely, 2^14381281 is an apocalyptic number.

It is an amenable number.

14381281 is a deficient number, since it is larger than the sum of its proper divisors (1).

14381281 is an equidigital number, since it uses as much as digits as its factorization.

14381281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 28.

The square root of 14381281 is about 3792.2659453155. The cubic root of 14381281 is about 243.1826149078.

The spelling of 14381281 in words is "fourteen million, three hundred eighty-one thousand, two hundred eighty-one".