14248391 has 2 divisors, whose sum is σ = 14248392. Its totient is φ = 14248390.

The previous prime is 14248387. The next prime is 14248393. The reversal of 14248391 is 19384241.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19384241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14248391 - 2² = 14248387 is a prime.

Together with 14248393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14248393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7124195 + 7124196.

It is an arithmetic number, because the mean of its divisors is an integer number (7124196).

Almost surely, 2^14248391 is an apocalyptic number.

14248391 is a deficient number, since it is larger than the sum of its proper divisors (1).

14248391 is an equidigital number, since it uses as much as digits as its factorization.

14248391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 14248391 is about 3774.7040943629. The cubic root of 14248391 is about 242.4312541165.

The spelling of 14248391 in words is "fourteen million, two hundred forty-eight thousand, three hundred ninety-one".