24252005 has 24 divisors (see below), whose sum is σ = 31175928. Its totient is φ = 18102656.

The previous prime is 24252001. The next prime is 24252017. The reversal of 24252005 is 50025242.

It can be written as a sum of positive squares in 4 ways, for example, as 9498724 + 14753281 = 3082^2 + 3841^2 .

It is not a de Polignac number, because 24252005 - 2² = 24252001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24252001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140099 + ... + 140271.

It is an arithmetic number, because the mean of its divisors is an integer number (1298997).

Almost surely, 2^24252005 is an apocalyptic number.

It is an amenable number.

24252005 is a deficient number, since it is larger than the sum of its proper divisors (6923923).

24252005 is a wasteful number, since it uses less digits than its factorization.

24252005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 24252005 is about 4924.6324735964. The cubic root of 24252005 is about 289.4559956105.

Adding to 24252005 its reverse (50025242), we get a palindrome (74277247).

The spelling of 24252005 in words is "twenty-four million, two hundred fifty-two thousand, five".