18482917 has 2 divisors, whose sum is σ = 18482918. Its totient is φ = 18482916.

The previous prime is 18482911. The next prime is 18482951. The reversal of 18482917 is 71928481.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15100996 + 3381921 = 3886^2 + 1839^2 .

It is a cyclic number.

It is not a de Polignac number, because 18482917 - 2¹⁵ = 18450149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18482917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18482911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9241458 + 9241459.

It is an arithmetic number, because the mean of its divisors is an integer number (9241459).

Almost surely, 2^18482917 is an apocalyptic number.

It is an amenable number.

18482917 is a deficient number, since it is larger than the sum of its proper divisors (1).

18482917 is an equidigital number, since it uses as much as digits as its factorization.

18482917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 40.

The square root of 18482917 is about 4299.1763164588. The cubic root of 18482917 is about 264.3971915677.

The spelling of 18482917 in words is "eighteen million, four hundred eighty-two thousand, nine hundred seventeen".