14157893 has 2 divisors, whose sum is σ = 14157894. Its totient is φ = 14157892.

The previous prime is 14157881. The next prime is 14157937. The reversal of 14157893 is 39875141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7491169 + 6666724 = 2737^2 + 2582^2 .

It is an emirp because it is prime and its reverse (39875141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14157893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14157823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7078946 + 7078947.

It is an arithmetic number, because the mean of its divisors is an integer number (7078947).

Almost surely, 2^14157893 is an apocalyptic number.

It is an amenable number.

14157893 is a deficient number, since it is larger than the sum of its proper divisors (1).

14157893 is an equidigital number, since it uses as much as digits as its factorization.

14157893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 14157893 is about 3762.6975695636. The cubic root of 14157893 is about 241.9168999561.

The spelling of 14157893 in words is "fourteen million, one hundred fifty-seven thousand, eight hundred ninety-three".