24240019 has 2 divisors, whose sum is σ = 24240020. Its totient is φ = 24240018.

The previous prime is 24239989. The next prime is 24240023. The reversal of 24240019 is 91004242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24240019 - 2⁵ = 24239987 is a prime.

It is a super-2 number, since 2×24240019² = 1175157042240722, which contains 22 as substring.

It is equal to p_1521283 and since 24240019 and 1521283 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (24240319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12120009 + 12120010.

It is an arithmetic number, because the mean of its divisors is an integer number (12120010).

Almost surely, 2^24240019 is an apocalyptic number.

24240019 is a deficient number, since it is larger than the sum of its proper divisors (1).

24240019 is an equidigital number, since it uses as much as digits as its factorization.

24240019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 24240019 is about 4923.4153795917. The cubic root of 24240019 is about 289.4083020791.

The spelling of 24240019 in words is "twenty-four million, two hundred forty thousand, nineteen".