25312324441 has 2 divisors, whose sum is σ = 25312324442. Its totient is φ = 25312324440.

The previous prime is 25312324439. The next prime is 25312324451. The reversal of 25312324441 is 14442321352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25099748041 + 212576400 = 158429^2 + 14580^2 .

It is a cyclic number.

It is not a de Polignac number, because 25312324441 - 2¹ = 25312324439 is a prime.

Together with 25312324439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25312324451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12656162220 + 12656162221.

It is an arithmetic number, because the mean of its divisors is an integer number (12656162221).

Almost surely, 2^25312324441 is an apocalyptic number.

It is an amenable number.

25312324441 is a deficient number, since it is larger than the sum of its proper divisors (1).

25312324441 is an equidigital number, since it uses as much as digits as its factorization.

25312324441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 31.

Adding to 25312324441 its reverse (14442321352), we get a palindrome (39754645793).

The spelling of 25312324441 in words is "twenty-five billion, three hundred twelve million, three hundred twenty-four thousand, four hundred forty-one".