14238281 has 2 divisors, whose sum is σ = 14238282. Its totient is φ = 14238280.

The previous prime is 14238247. The next prime is 14238319. The reversal of 14238281 is 18283241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 3182656 = 3325^2 + 1784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14238281 is a prime.

It is a super-2 number, since 2×14238281² = 405457291669922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14238221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7119140 + 7119141.

It is an arithmetic number, because the mean of its divisors is an integer number (7119141).

Almost surely, 2^14238281 is an apocalyptic number.

14238281 is the 1688-th centered decagonal number.

It is an amenable number.

14238281 is a deficient number, since it is larger than the sum of its proper divisors (1).

14238281 is an equidigital number, since it uses as much as digits as its factorization.

14238281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 29.

The square root of 14238281 is about 3773.3646789040. The cubic root of 14238281 is about 242.3739012100.

The spelling of 14238281 in words is "fourteen million, two hundred thirty-eight thousand, two hundred eighty-one".