17315393 has 2 divisors, whose sum is σ = 17315394. Its totient is φ = 17315392.

The previous prime is 17315387. The next prime is 17315429. The reversal of 17315393 is 39351371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16785409 + 529984 = 4097^2 + 728^2 .

It is an emirp because it is prime and its reverse (39351371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17315393 - 2¹² = 17311297 is a prime.

It is not a weakly prime, because it can be changed into another prime (17315303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8657696 + 8657697.

It is an arithmetic number, because the mean of its divisors is an integer number (8657697).

Almost surely, 2^17315393 is an apocalyptic number.

It is an amenable number.

17315393 is a deficient number, since it is larger than the sum of its proper divisors (1).

17315393 is an equidigital number, since it uses as much as digits as its factorization.

17315393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8505, while the sum is 32.

The square root of 17315393 is about 4161.1768767982. The cubic root of 17315393 is about 258.7085514757.

The spelling of 17315393 in words is "seventeen million, three hundred fifteen thousand, three hundred ninety-three".