17007997 has 2 divisors, whose sum is σ = 17007998. Its totient is φ = 17007996.

The previous prime is 17007961. The next prime is 17008009. The reversal of 17007997 is 79970071.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 4575321 = 3526^2 + 2139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17007997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17007917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8503998 + 8503999.

It is an arithmetic number, because the mean of its divisors is an integer number (8503999).

Almost surely, 2^17007997 is an apocalyptic number.

It is an amenable number.

17007997 is a deficient number, since it is larger than the sum of its proper divisors (1).

17007997 is an equidigital number, since it uses as much as digits as its factorization.

17007997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27783, while the sum is 40.

The square root of 17007997 is about 4124.0752902924. The cubic root of 17007997 is about 257.1684714490.

The spelling of 17007997 in words is "seventeen million, seven thousand, nine hundred ninety-seven".