17141921 has 2 divisors, whose sum is σ = 17141922. Its totient is φ = 17141920.

The previous prime is 17141911. The next prime is 17141939. The reversal of 17141921 is 12914171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16443025 + 698896 = 4055^2 + 836^2 .

It is an emirp because it is prime and its reverse (12914171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17141921 - 2¹⁰ = 17140897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17141911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8570960 + 8570961.

It is an arithmetic number, because the mean of its divisors is an integer number (8570961).

Almost surely, 2^17141921 is an apocalyptic number.

It is an amenable number.

17141921 is a deficient number, since it is larger than the sum of its proper divisors (1).

17141921 is an equidigital number, since it uses as much as digits as its factorization.

17141921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 26.

The square root of 17141921 is about 4140.2803045205. The cubic root of 17141921 is about 257.8417042717.

The spelling of 17141921 in words is "seventeen million, one hundred forty-one thousand, nine hundred twenty-one".