17042393 has 2 divisors, whose sum is σ = 17042394. Its totient is φ = 17042392.

The previous prime is 17042387. The next prime is 17042407. The reversal of 17042393 is 39324071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16999129 + 43264 = 4123^2 + 208^2 .

It is an emirp because it is prime and its reverse (39324071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17042393 - 2¹⁰ = 17041369 is a prime.

It is a Chen prime.

It is equal to p_1093880 and since 17042393 and 1093880 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (17042303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8521196 + 8521197.

It is an arithmetic number, because the mean of its divisors is an integer number (8521197).

Almost surely, 2^17042393 is an apocalyptic number.

It is an amenable number.

17042393 is a deficient number, since it is larger than the sum of its proper divisors (1).

17042393 is an equidigital number, since it uses as much as digits as its factorization.

17042393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 17042393 is about 4128.2433310065. The cubic root of 17042393 is about 257.3417156492.

The spelling of 17042393 in words is "seventeen million, forty-two thousand, three hundred ninety-three".