17320613 has 2 divisors, whose sum is σ = 17320614. Its totient is φ = 17320612.

The previous prime is 17320607. The next prime is 17320619. The reversal of 17320613 is 31602371.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (17320607) and next prime (17320619).

It can be written as a sum of positive squares in only one way, i.e., 16826404 + 494209 = 4102^2 + 703^2 .

It is a cyclic number.

It is not a de Polignac number, because 17320613 - 2⁶ = 17320549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17320619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8660306 + 8660307.

It is an arithmetic number, because the mean of its divisors is an integer number (8660307).

Almost surely, 2^17320613 is an apocalyptic number.

It is an amenable number.

17320613 is a deficient number, since it is larger than the sum of its proper divisors (1).

17320613 is an equidigital number, since it uses as much as digits as its factorization.

17320613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 17320613 is about 4161.8040559354. The cubic root of 17320613 is about 258.7345461299.

Adding to 17320613 its reverse (31602371), we get a palindrome (48922984).

The spelling of 17320613 in words is "seventeen million, three hundred twenty thousand, six hundred thirteen".