17414921 has 2 divisors, whose sum is σ = 17414922. Its totient is φ = 17414920.

The previous prime is 17414909. The next prime is 17414923. The reversal of 17414921 is 12941471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10471696 + 6943225 = 3236^2 + 2635^2 .

It is a cyclic number.

It is not a de Polignac number, because 17414921 - 2¹⁰ = 17413897 is a prime.

Together with 17414923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17414923) 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, 8707460 + 8707461.

It is an arithmetic number, because the mean of its divisors is an integer number (8707461).

Almost surely, 2^17414921 is an apocalyptic number.

It is an amenable number.

17414921 is a deficient number, since it is larger than the sum of its proper divisors (1).

17414921 is an equidigital number, since it uses as much as digits as its factorization.

17414921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 17414921 is about 4173.1188576411. The cubic root of 17414921 is about 259.2032859872.

The spelling of 17414921 in words is "seventeen million, four hundred fourteen thousand, nine hundred twenty-one".