24838913 has 4 divisors (see below), whose sum is σ = 27097008. Its totient is φ = 22580820.

The previous prime is 24838903. The next prime is 24838937. The reversal of 24838913 is 31983842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 24838913 - 2¹⁰ = 24837889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24838903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129031 + ... + 1129052.

It is an arithmetic number, because the mean of its divisors is an integer number (6774252).

Almost surely, 2^24838913 is an apocalyptic number.

It is an amenable number.

24838913 is a deficient number, since it is larger than the sum of its proper divisors (2258095).

24838913 is a wasteful number, since it uses less digits than its factorization.

24838913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258094.

The product of its digits is 41472, while the sum is 38.

The square root of 24838913 is about 4983.8652670392. The cubic root of 24838913 is about 291.7723917486.

Subtracting 24838913 from its reverse (31983842), we obtain a square (7144929 = 2673²).

The spelling of 24838913 in words is "twenty-four million, eight hundred thirty-eight thousand, nine hundred thirteen".