17313913 has 2 divisors, whose sum is σ = 17313914. Its totient is φ = 17313912.

The previous prime is 17313911. The next prime is 17313929. The reversal of 17313913 is 31931371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17040384 + 273529 = 4128^2 + 523^2 .

It is an emirp because it is prime and its reverse (31931371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17313913 - 2¹ = 17313911 is a prime.

Together with 17313911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (17313911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8656956 + 8656957.

It is an arithmetic number, because the mean of its divisors is an integer number (8656957).

Almost surely, 2^17313913 is an apocalyptic number.

It is an amenable number.

17313913 is a deficient number, since it is larger than the sum of its proper divisors (1).

17313913 is an equidigital number, since it uses as much as digits as its factorization.

17313913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1701, while the sum is 28.

The square root of 17313913 is about 4160.9990386925. Note that the first 3 decimals coincide. The cubic root of 17313913 is about 258.7011803934.

The spelling of 17313913 in words is "seventeen million, three hundred thirteen thousand, nine hundred thirteen".