10518217 has 2 divisors, whose sum is σ = 10518218. Its totient is φ = 10518216.

The previous prime is 10518203. The next prime is 10518247. The reversal of 10518217 is 71281501.

10518217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10342656 + 175561 = 3216^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 10518217 - 2¹¹ = 10516169 is a prime.

It is a super-2 number, since 2×10518217² = 221265777718178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10518191 and 10518200.

It is not a weakly prime, because it can be changed into another prime (10518247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5259108 + 5259109.

It is an arithmetic number, because the mean of its divisors is an integer number (5259109).

Almost surely, 2^10518217 is an apocalyptic number.

It is an amenable number.

10518217 is a deficient number, since it is larger than the sum of its proper divisors (1).

10518217 is an equidigital number, since it uses as much as digits as its factorization.

10518217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 10518217 is about 3243.1800751731. The cubic root of 10518217 is about 219.1025214475.

Adding to 10518217 its reverse (71281501), we get a palindrome (81799718).

The spelling of 10518217 in words is "ten million, five hundred eighteen thousand, two hundred seventeen".