24243019 has 2 divisors, whose sum is σ = 24243020. Its totient is φ = 24243018.

The previous prime is 24242971. The next prime is 24243049. The reversal of 24243019 is 91034242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24243019 - 2⁷ = 24242891 is a prime.

It is a super-2 number, since 2×24243019² = 1175447940468722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24242984 and 24243002.

It is not a weakly prime, because it can be changed into another prime (24243049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12121509 + 12121510.

It is an arithmetic number, because the mean of its divisors is an integer number (12121510).

Almost surely, 2^24243019 is an apocalyptic number.

24243019 is a deficient number, since it is larger than the sum of its proper divisors (1).

24243019 is an equidigital number, since it uses as much as digits as its factorization.

24243019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 24243019 is about 4923.7200367202. The cubic root of 24243019 is about 289.4202408636.

The spelling of 24243019 in words is "twenty-four million, two hundred forty-three thousand, nineteen".