24019 has 2 divisors, whose sum is σ = 24020. Its totient is φ = 24018.

The previous prime is 24007. The next prime is 24023. The reversal of 24019 is 91042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24019 is a prime.

It is a super-2 number, since 2×24019² = 1153824722, which contains 22 as substring.

It is equal to p₂₆₇₁ and since 24019 and 2671 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 23993 and 24011.

It is not a weakly prime, because it can be changed into another prime (24029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12009 + 12010.

It is an arithmetic number, because the mean of its divisors is an integer number (12010).

2²⁴⁰¹⁹ is an apocalyptic number.

24019 is a deficient number, since it is larger than the sum of its proper divisors (1).

24019 is an equidigital number, since it uses as much as digits as its factorization.

24019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 24019 is about 154.9806439527. The cubic root of 24019 is about 28.8526012711.

It can be divided in two parts, 2401 and 9, that multiplied together give a square (21609 = 147²).

The spelling of 24019 in words is "twenty-four thousand, nineteen".