14418257 has 4 divisors (see below), whose sum is σ = 16478016. Its totient is φ = 12358500.

The previous prime is 14418251. The next prime is 14418277. The reversal of 14418257 is 75281441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75281441 = 7841 ⋅9601.

It is not a de Polignac number, because 14418257 - 2¹⁸ = 14156113 is a prime.

It is a super-2 number, since 2×14418257² = 415772269836098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14418251) 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, 1029869 + ... + 1029882.

It is an arithmetic number, because the mean of its divisors is an integer number (4119504).

Almost surely, 2^14418257 is an apocalyptic number.

It is an amenable number.

14418257 is a deficient number, since it is larger than the sum of its proper divisors (2059759).

14418257 is an equidigital number, since it uses as much as digits as its factorization.

14418257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059758.

The product of its digits is 8960, while the sum is 32.

The square root of 14418257 is about 3797.1380011793. The cubic root of 14418257 is about 243.3908537733.

Adding to 14418257 its reverse (75281441), we get a palindrome (89699698).

The spelling of 14418257 in words is "fourteen million, four hundred eighteen thousand, two hundred fifty-seven".