25075422641 has 16 divisors (see below), whose sum is σ = 26434974720. Its totient is φ = 23738806080.

The previous prime is 25075422629. The next prime is 25075422643. The reversal of 25075422641 is 14622457052.

It is a cyclic number.

It is not a de Polignac number, because 25075422641 - 2²² = 25071228337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25075422595 and 25075422604.

It is not an unprimeable number, because it can be changed into a prime (25075422643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2479391 + ... + 2489483.

It is an arithmetic number, because the mean of its divisors is an integer number (1652185920).

Almost surely, 2^25075422641 is an apocalyptic number.

It is an amenable number.

25075422641 is a deficient number, since it is larger than the sum of its proper divisors (1359552079).

25075422641 is a wasteful number, since it uses less digits than its factorization.

25075422641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216.

The product of its (nonzero) digits is 134400, while the sum is 38.

Adding to 25075422641 its reverse (14622457052), we get a palindrome (39697879693).

The spelling of 25075422641 in words is "twenty-five billion, seventy-five million, four hundred twenty-two thousand, six hundred forty-one".