19195441 has 2 divisors, whose sum is σ = 19195442. Its totient is φ = 19195440.

The previous prime is 19195403. The next prime is 19195457. The reversal of 19195441 is 14459191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13905441 + 5290000 = 3729^2 + 2300^2 .

It is an emirp because it is prime and its reverse (14459191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19195441 - 2¹¹ = 19193393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19195397 and 19195406.

It is not a weakly prime, because it can be changed into another prime (19195471) 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, 9597720 + 9597721.

It is an arithmetic number, because the mean of its divisors is an integer number (9597721).

Almost surely, 2^19195441 is an apocalyptic number.

It is an amenable number.

19195441 is a deficient number, since it is larger than the sum of its proper divisors (1).

19195441 is an equidigital number, since it uses as much as digits as its factorization.

19195441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 34.

The square root of 19195441 is about 4381.2602068355. The cubic root of 19195441 is about 267.7519842939.

The spelling of 19195441 in words is "nineteen million, one hundred ninety-five thousand, four hundred forty-one".