14838581 has 2 divisors, whose sum is σ = 14838582. Its totient is φ = 14838580.

The previous prime is 14838533. The next prime is 14838583. The reversal of 14838581 is 18583841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14212900 + 625681 = 3770^2 + 791^2 .

It is an emirp because it is prime and its reverse (18583841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14838581 is a prime.

It is a super-2 number, since 2×14838581² = 440366972187122, which contains 22 as substring.

Together with 14838583, 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 (14838583) 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 as a sum of consecutive naturals, namely, 7419290 + 7419291.

It is an arithmetic number, because the mean of its divisors is an integer number (7419291).

Almost surely, 2^14838581 is an apocalyptic number.

It is an amenable number.

14838581 is a deficient number, since it is larger than the sum of its proper divisors (1).

14838581 is an equidigital number, since it uses as much as digits as its factorization.

14838581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 38.

The square root of 14838581 is about 3852.0878754255. The cubic root of 14838581 is about 245.7333628052.

The spelling of 14838581 in words is "fourteen million, eight hundred thirty-eight thousand, five hundred eighty-one".