17949241 has 2 divisors, whose sum is σ = 17949242. Its totient is φ = 17949240.

The previous prime is 17949221. The next prime is 17949247. The reversal of 17949241 is 14294971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17673616 + 275625 = 4204^2 + 525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17949241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17949241.

It is not a weakly prime, because it can be changed into another prime (17949247) 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, 8974620 + 8974621.

It is an arithmetic number, because the mean of its divisors is an integer number (8974621).

Almost surely, 2^17949241 is an apocalyptic number.

It is an amenable number.

17949241 is a deficient number, since it is larger than the sum of its proper divisors (1).

17949241 is an equidigital number, since it uses as much as digits as its factorization.

17949241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 17949241 is about 4236.6544584141. The cubic root of 17949241 is about 261.8275626600.

The spelling of 17949241 in words is "seventeen million, nine hundred forty-nine thousand, two hundred forty-one".