19030243 has 2 divisors, whose sum is σ = 19030244. Its totient is φ = 19030242.

The previous prime is 19030213. The next prime is 19030261. The reversal of 19030243 is 34203091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19030243 - 2¹³ = 19022051 is a prime.

It is not a weakly prime, because it can be changed into another prime (19030213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9515121 + 9515122.

It is an arithmetic number, because the mean of its divisors is an integer number (9515122).

Almost surely, 2^19030243 is an apocalyptic number.

19030243 is a deficient number, since it is larger than the sum of its proper divisors (1).

19030243 is an equidigital number, since it uses as much as digits as its factorization.

19030243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 19030243 is about 4362.3666741804. The cubic root of 19030243 is about 266.9816695931.

The spelling of 19030243 in words is "nineteen million, thirty thousand, two hundred forty-three".