25235422105 has 8 divisors (see below), whose sum is σ = 30327241032. Its totient is φ = 20158514688.

The previous prime is 25235422073. The next prime is 25235422153. The reversal of 25235422105 is 50122453252.

It can be written as a sum of positive squares in 4 ways, for example, as 3665212681 + 21570209424 = 60541^2 + 146868^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25235422105 - 2⁵ = 25235422073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3724152 + ... + 3730921.

It is an arithmetic number, because the mean of its divisors is an integer number (3790905129).

Almost surely, 2^25235422105 is an apocalyptic number.

It is an amenable number.

25235422105 is a deficient number, since it is larger than the sum of its proper divisors (5091818927).

25235422105 is an equidigital number, since it uses as much as digits as its factorization.

25235422105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7455755.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 25235422105 its reverse (50122453252), we get a palindrome (75357875357).

The spelling of 25235422105 in words is "twenty-five billion, two hundred thirty-five million, four hundred twenty-two thousand, one hundred five".