18482617 has 2 divisors, whose sum is σ = 18482618. Its totient is φ = 18482616.

The previous prime is 18482549. The next prime is 18482627. The reversal of 18482617 is 71628481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16353936 + 2128681 = 4044^2 + 1459^2 .

It is an emirp because it is prime and its reverse (71628481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18482617 - 2⁷ = 18482489 is a prime.

It is not a weakly prime, because it can be changed into another prime (18482627) 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, 9241308 + 9241309.

It is an arithmetic number, because the mean of its divisors is an integer number (9241309).

Almost surely, 2^18482617 is an apocalyptic number.

It is an amenable number.

18482617 is a deficient number, since it is larger than the sum of its proper divisors (1).

18482617 is an equidigital number, since it uses as much as digits as its factorization.

18482617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 37.

The square root of 18482617 is about 4299.1414259129. The cubic root of 18482617 is about 264.3957610651.

It can be divided in two parts, 1848 and 2617, that added together give a triangular number (4465 = T₉₄).

The spelling of 18482617 in words is "eighteen million, four hundred eighty-two thousand, six hundred seventeen".