18114617 has 2 divisors, whose sum is σ = 18114618. Its totient is φ = 18114616.

The previous prime is 18114611. The next prime is 18114623. The reversal of 18114617 is 71641181.

It is a balanced prime because it is at equal distance from previous prime (18114611) and next prime (18114623).

It can be written as a sum of positive squares in only one way, i.e., 10601536 + 7513081 = 3256^2 + 2741^2 .

It is an emirp because it is prime and its reverse (71641181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18114617 - 2⁸ = 18114361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18114617.

It is not a weakly prime, because it can be changed into another prime (18114611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9057308 + 9057309.

It is an arithmetic number, because the mean of its divisors is an integer number (9057309).

Almost surely, 2^18114617 is an apocalyptic number.

It is an amenable number.

18114617 is a deficient number, since it is larger than the sum of its proper divisors (1).

18114617 is an equidigital number, since it uses as much as digits as its factorization.

18114617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 29.

The square root of 18114617 is about 4256.1269952857. The cubic root of 18114617 is about 262.6292249605.

Adding to 18114617 its reverse (71641181), we get a palindrome (89755798).

The spelling of 18114617 in words is "eighteen million, one hundred fourteen thousand, six hundred seventeen".