14257281 has 8 divisors (see below), whose sum is σ = 19039360. Its totient is φ = 9490032.

The previous prime is 14257279. The next prime is 14257283. The reversal of 14257281 is 18275241.

It is an interprime number because it is at equal distance from previous prime (14257279) and next prime (14257283).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14257281 - 2¹ = 14257279 is a prime.

It is a super-2 number, since 2×14257281² = 406540123025922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14257283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225 + ... + 5478.

It is an arithmetic number, because the mean of its divisors is an integer number (2379920).

Almost surely, 2^14257281 is an apocalyptic number.

It is an amenable number.

14257281 is a deficient number, since it is larger than the sum of its proper divisors (4782079).

14257281 is an equidigital number, since it uses as much as digits as its factorization.

14257281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7415.

The product of its digits is 4480, while the sum is 30.

The square root of 14257281 is about 3775.8814864876. The cubic root of 14257281 is about 242.4816636860.

The spelling of 14257281 in words is "fourteen million, two hundred fifty-seven thousand, two hundred eighty-one".