14304257 has 10 divisors (see below), whose sum is σ = 15750690. Its totient is φ = 12990560.

The previous prime is 14304253. The next prime is 14304263. The reversal of 14304257 is 75240341.

It can be written as a sum of positive squares in only one way, i.e., 14070001 + 234256 = 3751^2 + 484^2 .

It is not a de Polignac number, because 14304257 - 2² = 14304253 is a prime.

It is a super-2 number, since 2×14304257² = 409223536644098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14304253) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14153 + ... + 15129.

It is an arithmetic number, because the mean of its divisors is an integer number (1575069).

Almost surely, 2^14304257 is an apocalyptic number.

It is an amenable number.

14304257 is a deficient number, since it is larger than the sum of its proper divisors (1446433).

14304257 is an frugal number, since it uses more digits than its factorization.

14304257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 14304257 is about 3782.0969051572. The cubic root of 14304257 is about 242.7476875520.

Adding to 14304257 its reverse (75240341), we get a palindrome (89544598).

The spelling of 14304257 in words is "fourteen million, three hundred four thousand, two hundred fifty-seven".