25452601841 has 8 divisors (see below), whose sum is σ = 26986593384. Its totient is φ = 23922696960.

The previous prime is 25452601813. The next prime is 25452601843. The reversal of 25452601841 is 14810625452.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9721171216 + 15731430625 = 98596^2 + 125425^2 .

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 25452601841 - 2³⁰ = 24378860017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25452601795 and 25452601804.

It is not an unprimeable number, because it can be changed into a prime (25452601843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008830 + ... + 1033751.

It is an arithmetic number, because the mean of its divisors is an integer number (3373324173).

Almost surely, 2^25452601841 is an apocalyptic number.

It is an amenable number.

25452601841 is a deficient number, since it is larger than the sum of its proper divisors (1533991543).

25452601841 is a wasteful number, since it uses less digits than its factorization.

25452601841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043331.

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 25452601841 in words is "twenty-five billion, four hundred fifty-two million, six hundred one thousand, eight hundred forty-one".