14571257 has 2 divisors, whose sum is σ = 14571258. Its totient is φ = 14571256.

The previous prime is 14571223. The next prime is 14571301. The reversal of 14571257 is 75217541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9114361 + 5456896 = 3019^2 + 2336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14571257 is a prime.

It is not a weakly prime, because it can be changed into another prime (14571757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7285628 + 7285629.

It is an arithmetic number, because the mean of its divisors is an integer number (7285629).

Almost surely, 2^14571257 is an apocalyptic number.

It is an amenable number.

14571257 is a deficient number, since it is larger than the sum of its proper divisors (1).

14571257 is an equidigital number, since it uses as much as digits as its factorization.

14571257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9800, while the sum is 32.

The square root of 14571257 is about 3817.2315884683. The cubic root of 14571257 is about 244.2487441386.

Adding to 14571257 its reverse (75217541), we get a palindrome (89788798).

The spelling of 14571257 in words is "fourteen million, five hundred seventy-one thousand, two hundred fifty-seven".