17117953 has 2 divisors, whose sum is σ = 17117954. Its totient is φ = 17117952.

The previous prime is 17117909. The next prime is 17117959. The reversal of 17117953 is 35971171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15499969 + 1617984 = 3937^2 + 1272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17117953 is a prime.

It is not a weakly prime, because it can be changed into another prime (17117959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8558976 + 8558977.

It is an arithmetic number, because the mean of its divisors is an integer number (8558977).

Almost surely, 2^17117953 is an apocalyptic number.

It is an amenable number.

17117953 is a deficient number, since it is larger than the sum of its proper divisors (1).

17117953 is an equidigital number, since it uses as much as digits as its factorization.

17117953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6615, while the sum is 34.

The square root of 17117953 is about 4137.3848020217. The cubic root of 17117953 is about 257.7214759633.

The spelling of 17117953 in words is "seventeen million, one hundred seventeen thousand, nine hundred fifty-three".