14718257 has 2 divisors, whose sum is σ = 14718258. Its totient is φ = 14718256.

The previous prime is 14718251. The next prime is 14718271. The reversal of 14718257 is 75281741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10491121 + 4227136 = 3239^2 + 2056^2 .

It is an emirp because it is prime and its reverse (75281741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14718257 - 2⁴ = 14718241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14718251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7359128 + 7359129.

It is an arithmetic number, because the mean of its divisors is an integer number (7359129).

Almost surely, 2^14718257 is an apocalyptic number.

It is an amenable number.

14718257 is a deficient number, since it is larger than the sum of its proper divisors (1).

14718257 is an equidigital number, since it uses as much as digits as its factorization.

14718257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 35.

The square root of 14718257 is about 3836.4380615357. The cubic root of 14718257 is about 245.0673534104.

Adding to 14718257 its reverse (75281741), we get a palindrome (89999998).

The spelling of 14718257 in words is "fourteen million, seven hundred eighteen thousand, two hundred fifty-seven".