17200979 has 2 divisors, whose sum is σ = 17200980. Its totient is φ = 17200978.

The previous prime is 17200951. The next prime is 17200993. The reversal of 17200979 is 97900271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17200979 - 2⁸ = 17200723 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17200949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8600489 + 8600490.

It is an arithmetic number, because the mean of its divisors is an integer number (8600490).

Almost surely, 2^17200979 is an apocalyptic number.

17200979 is a deficient number, since it is larger than the sum of its proper divisors (1).

17200979 is an equidigital number, since it uses as much as digits as its factorization.

17200979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 17200979 is about 4147.4062979168. The cubic root of 17200979 is about 258.1374735572.

The spelling of 17200979 in words is "seventeen million, two hundred thousand, nine hundred seventy-nine".