19250219 has 2 divisors, whose sum is σ = 19250220. Its totient is φ = 19250218.

The previous prime is 19250201. The next prime is 19250221. The reversal of 19250219 is 91205291.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19250219 is a prime.

It is a super-2 number, since 2×19250219² = 741141863095922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 19250221, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 19250191 and 19250200.

It is not a weakly prime, because it can be changed into another prime (19250269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9625109 + 9625110.

It is an arithmetic number, because the mean of its divisors is an integer number (9625110).

Almost surely, 2^19250219 is an apocalyptic number.

19250219 is a deficient number, since it is larger than the sum of its proper divisors (1).

19250219 is an equidigital number, since it uses as much as digits as its factorization.

19250219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 19250219 is about 4387.5071509913. The cubic root of 19250219 is about 268.0064368767.

The spelling of 19250219 in words is "nineteen million, two hundred fifty thousand, two hundred nineteen".