14505257 has 4 divisors (see below), whose sum is σ = 15621060. Its totient is φ = 13389456.

The previous prime is 14505247. The next prime is 14505259. The reversal of 14505257 is 75250541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3936256 + 10569001 = 1984^2 + 3251^2 .

It is a cyclic number.

It is not a de Polignac number, because 14505257 - 2⁶ = 14505193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14505259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557882 + ... + 557907.

It is an arithmetic number, because the mean of its divisors is an integer number (3905265).

Almost surely, 2^14505257 is an apocalyptic number.

It is an amenable number.

14505257 is a deficient number, since it is larger than the sum of its proper divisors (1115803).

14505257 is a wasteful number, since it uses less digits than its factorization.

14505257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115802.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 14505257 is about 3808.5767682955. The cubic root of 14505257 is about 243.8794138994.

Adding to 14505257 its reverse (75250541), we get a palindrome (89755798).

The spelling of 14505257 in words is "fourteen million, five hundred five thousand, two hundred fifty-seven".