24993239 has 2 divisors, whose sum is σ = 24993240. Its totient is φ = 24993238.

The previous prime is 24993217. The next prime is 24993253. The reversal of 24993239 is 93239942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24993239 - 2¹² = 24989143 is a prime.

It is a super-2 number, since 2×24993239² = 1249323991422242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24993196 and 24993205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24993299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12496619 + 12496620.

It is an arithmetic number, because the mean of its divisors is an integer number (12496620).

Almost surely, 2^24993239 is an apocalyptic number.

24993239 is a deficient number, since it is larger than the sum of its proper divisors (1).

24993239 is an equidigital number, since it uses as much as digits as its factorization.

24993239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 41.

The square root of 24993239 is about 4999.3238542827. The cubic root of 24993239 is about 292.3754123995.

The spelling of 24993239 in words is "twenty-four million, nine hundred ninety-three thousand, two hundred thirty-nine".