17241989 has 2 divisors, whose sum is σ = 17241990. Its totient is φ = 17241988.

The previous prime is 17241953. The next prime is 17242007. The reversal of 17241989 is 98914271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15760900 + 1481089 = 3970^2 + 1217^2 .

It is a cyclic number.

It is not a de Polignac number, because 17241989 - 2⁸ = 17241733 is a prime.

It is a super-2 number, since 2×17241989² = 594572369352242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17241929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8620994 + 8620995.

It is an arithmetic number, because the mean of its divisors is an integer number (8620995).

Almost surely, 2^17241989 is an apocalyptic number.

It is an amenable number.

17241989 is a deficient number, since it is larger than the sum of its proper divisors (1).

17241989 is an equidigital number, since it uses as much as digits as its factorization.

17241989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 41.

The square root of 17241989 is about 4152.3474083944. The cubic root of 17241989 is about 258.3424583203.

The spelling of 17241989 in words is "seventeen million, two hundred forty-one thousand, nine hundred eighty-nine".