24924139 has 4 divisors (see below), whose sum is σ = 25063560. Its totient is φ = 24784720.

The previous prime is 24924127. The next prime is 24924149. The reversal of 24924139 is 93142942.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24924139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24924149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69442 + ... + 69799.

It is an arithmetic number, because the mean of its divisors is an integer number (6265890).

Almost surely, 2^24924139 is an apocalyptic number.

24924139 is a deficient number, since it is larger than the sum of its proper divisors (139421).

24924139 is a wasteful number, since it uses less digits than its factorization.

24924139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139420.

The product of its digits is 15552, while the sum is 34.

The square root of 24924139 is about 4992.4081363606. The cubic root of 24924139 is about 292.1057156159.

The spelling of 24924139 in words is "twenty-four million, nine hundred twenty-four thousand, one hundred thirty-nine".