17031979 has 2 divisors, whose sum is σ = 17031980. Its totient is φ = 17031978.

The previous prime is 17031947. The next prime is 17031991. The reversal of 17031979 is 97913071.

It is a strong prime.

It is an emirp because it is prime and its reverse (97913071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17031979 - 2⁵ = 17031947 is a prime.

It is a super-3 number, since 3×17031979³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17031479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8515989 + 8515990.

It is an arithmetic number, because the mean of its divisors is an integer number (8515990).

Almost surely, 2^17031979 is an apocalyptic number.

17031979 is a deficient number, since it is larger than the sum of its proper divisors (1).

17031979 is an equidigital number, since it uses as much as digits as its factorization.

17031979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 17031979 is about 4126.9818269530. The cubic root of 17031979 is about 257.2892875134.

The spelling of 17031979 in words is "seventeen million, thirty-one thousand, nine hundred seventy-nine".