14105257 has 4 divisors (see below), whose sum is σ = 14934996. Its totient is φ = 13275520.

The previous prime is 14105249. The next prime is 14105317. The reversal of 14105257 is 75250141.

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 8856576 + 5248681 = 2976^2 + 2291^2 .

It is a cyclic number.

It is not a de Polignac number, because 14105257 - 2³ = 14105249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14105227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414844 + ... + 414877.

It is an arithmetic number, because the mean of its divisors is an integer number (3733749).

Almost surely, 2^14105257 is an apocalyptic number.

14105257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

14105257 is a deficient number, since it is larger than the sum of its proper divisors (829739).

14105257 is an equidigital number, since it uses as much as digits as its factorization.

14105257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829738.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 14105257 is about 3755.6966064899. The cubic root of 14105257 is about 241.6167293304.

Adding to 14105257 its reverse (75250141), we get a palindrome (89355398).

The spelling of 14105257 in words is "fourteen million, one hundred five thousand, two hundred fifty-seven".