18514337 has 2 divisors, whose sum is σ = 18514338. Its totient is φ = 18514336.

The previous prime is 18514313. The next prime is 18514339. The reversal of 18514337 is 73341581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16394401 + 2119936 = 4049^2 + 1456^2 .

It is a cyclic number.

It is not a de Polignac number, because 18514337 - 2⁶ = 18514273 is a prime.

Together with 18514339, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18514339) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9257168 + 9257169.

It is an arithmetic number, because the mean of its divisors is an integer number (9257169).

Almost surely, 2^18514337 is an apocalyptic number.

It is an amenable number.

18514337 is a deficient number, since it is larger than the sum of its proper divisors (1).

18514337 is an equidigital number, since it uses as much as digits as its factorization.

18514337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 18514337 is about 4302.8289531423. The cubic root of 18514337 is about 264.5469272550.

The spelling of 18514337 in words is "eighteen million, five hundred fourteen thousand, three hundred thirty-seven".