24240005 has 4 divisors (see below), whose sum is σ = 29088012. Its totient is φ = 19392000.

The previous prime is 24239989. The next prime is 24240019. The reversal of 24240005 is 50004242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18852964 + 5387041 = 4342^2 + 2321^2 .

It is not a de Polignac number, because 24240005 - 2⁴ = 24239989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2423996 + ... + 2424005.

It is an arithmetic number, because the mean of its divisors is an integer number (7272003).

Almost surely, 2^24240005 is an apocalyptic number.

It is an amenable number.

24240005 is a deficient number, since it is larger than the sum of its proper divisors (4848007).

24240005 is an equidigital number, since it uses as much as digits as its factorization.

24240005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848006.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 24240005 is about 4923.4139578142. The cubic root of 24240005 is about 289.4082463625.

Adding to 24240005 its reverse (50004242), we get a palindrome (74244247).

The spelling of 24240005 in words is "twenty-four million, two hundred forty thousand, five".