18053017 has 2 divisors, whose sum is σ = 18053018. Its totient is φ = 18053016.

The previous prime is 18052987. The next prime is 18053023. The reversal of 18053017 is 71035081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16475481 + 1577536 = 4059^2 + 1256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18053017 is a prime.

It is a super-2 number, since 2×18053017² = 651822845604578, which contains 22 as substring.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 18052982 and 18053000.

It is not a weakly prime, because it can be changed into another prime (18053117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9026508 + 9026509.

It is an arithmetic number, because the mean of its divisors is an integer number (9026509).

Almost surely, 2^18053017 is an apocalyptic number.

It is an amenable number.

18053017 is a deficient number, since it is larger than the sum of its proper divisors (1).

18053017 is an equidigital number, since it uses as much as digits as its factorization.

18053017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 18053017 is about 4248.8842064712. The cubic root of 18053017 is about 262.3311906333.

Adding to 18053017 its reverse (71035081), we get a palindrome (89088098).

The spelling of 18053017 in words is "eighteen million, fifty-three thousand, seventeen".