17240513 has 2 divisors, whose sum is σ = 17240514. Its totient is φ = 17240512.

The previous prime is 17240477. The next prime is 17240521. The reversal of 17240513 is 31504271.

17240513 is nontrivially palindromic in base 2.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12475024 + 4765489 = 3532^2 + 2183^2 .

It is a cyclic number.

It is not a de Polignac number, because 17240513 - 2²⁰ = 16191937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17240563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8620256 + 8620257.

It is an arithmetic number, because the mean of its divisors is an integer number (8620257).

Almost surely, 2^17240513 is an apocalyptic number.

It is an amenable number.

17240513 is a deficient number, since it is larger than the sum of its proper divisors (1).

17240513 is an equidigital number, since it uses as much as digits as its factorization.

17240513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 17240513 is about 4152.1696737971. The cubic root of 17240513 is about 258.3350863102.

Adding to 17240513 its reverse (31504271), we get a palindrome (48744784).

The spelling of 17240513 in words is "seventeen million, two hundred forty thousand, five hundred thirteen".