19081241 has 2 divisors, whose sum is σ = 19081242. Its totient is φ = 19081240.

The previous prime is 19081211. The next prime is 19081243. The reversal of 19081241 is 14218091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15768841 + 3312400 = 3971^2 + 1820^2 .

It is a cyclic number.

It is not a de Polignac number, because 19081241 - 2⁶ = 19081177 is a prime.

It is a Sophie Germain prime.

Together with 19081243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19081241.

It is not a weakly prime, because it can be changed into another prime (19081243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9540620 + 9540621.

It is an arithmetic number, because the mean of its divisors is an integer number (9540621).

Almost surely, 2^19081241 is an apocalyptic number.

It is an amenable number.

19081241 is a deficient number, since it is larger than the sum of its proper divisors (1).

19081241 is an equidigital number, since it uses as much as digits as its factorization.

19081241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 19081241 is about 4368.2079849751. The cubic root of 19081241 is about 267.2199462278.

The spelling of 19081241 in words is "nineteen million, eighty-one thousand, two hundred forty-one".