14438257 has 2 divisors, whose sum is σ = 14438258. Its totient is φ = 14438256.

The previous prime is 14438243. The next prime is 14438267. The reversal of 14438257 is 75283441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11048976 + 3389281 = 3324^2 + 1841^2 .

It is a cyclic number.

It is not a de Polignac number, because 14438257 - 2¹¹ = 14436209 is a prime.

It is not a weakly prime, because it can be changed into another prime (14438267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7219128 + 7219129.

It is an arithmetic number, because the mean of its divisors is an integer number (7219129).

Almost surely, 2^14438257 is an apocalyptic number.

It is an amenable number.

14438257 is a deficient number, since it is larger than the sum of its proper divisors (1).

14438257 is an equidigital number, since it uses as much as digits as its factorization.

14438257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The square root of 14438257 is about 3799.7706509736. The cubic root of 14438257 is about 243.5033400478.

The spelling of 14438257 in words is "fourteen million, four hundred thirty-eight thousand, two hundred fifty-seven".