19375243 has 2 divisors, whose sum is σ = 19375244. Its totient is φ = 19375242.

The previous prime is 19375229. The next prime is 19375267. The reversal of 19375243 is 34257391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19375243 - 2⁹ = 19374731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19375199 and 19375208.

It is not a weakly prime, because it can be changed into another prime (19375273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9687621 + 9687622.

It is an arithmetic number, because the mean of its divisors is an integer number (9687622).

Almost surely, 2^19375243 is an apocalyptic number.

19375243 is a deficient number, since it is larger than the sum of its proper divisors (1).

19375243 is an equidigital number, since it uses as much as digits as its factorization.

19375243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 19375243 is about 4401.7318182733. The cubic root of 19375243 is about 268.5853905981.

The spelling of 19375243 in words is "nineteen million, three hundred seventy-five thousand, two hundred forty-three".