25244132005 has 8 divisors (see below), whose sum is σ = 30719620224. Its totient is φ = 19910864400.

The previous prime is 25244131987. The next prime is 25244132021. The reversal of 25244132005 is 50023144252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25244132005 - 2⁵ = 25244131973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35554761 + ... + 35555470.

It is an arithmetic number, because the mean of its divisors is an integer number (3839952528).

Almost surely, 2^25244132005 is an apocalyptic number.

It is an amenable number.

25244132005 is a deficient number, since it is larger than the sum of its proper divisors (5475488219).

25244132005 is an equidigital number, since it uses as much as digits as its factorization.

25244132005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71110307.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 25244132005 its reverse (50023144252), we get a palindrome (75267276257).

The spelling of 25244132005 in words is "twenty-five billion, two hundred forty-four million, one hundred thirty-two thousand, five".