19053239 has 2 divisors, whose sum is σ = 19053240. Its totient is φ = 19053238.

The previous prime is 19053227. The next prime is 19053241. The reversal of 19053239 is 93235091.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19053239 is a prime.

It is a super-2 number, since 2×19053239² = 726051832782242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 19053241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19043239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9526619 + 9526620.

It is an arithmetic number, because the mean of its divisors is an integer number (9526620).

Almost surely, 2^19053239 is an apocalyptic number.

19053239 is a deficient number, since it is larger than the sum of its proper divisors (1).

19053239 is an equidigital number, since it uses as much as digits as its factorization.

19053239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 19053239 is about 4365.0016036652. The cubic root of 19053239 is about 267.0891658409.

The spelling of 19053239 in words is "nineteen million, fifty-three thousand, two hundred thirty-nine".