25453435453 has 8 divisors (see below), whose sum is σ = 27820074240. Its totient is φ = 23183394240.

The previous prime is 25453435439. The next prime is 25453435457. The reversal of 25453435453 is 35453435452.

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 25453435453 - 2⁵ = 25453435421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25453435457) 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 7 ways as a sum of consecutive naturals, for example, 24148843 + ... + 24149896.

It is an arithmetic number, because the mean of its divisors is an integer number (3477509280).

Almost surely, 2^25453435453 is an apocalyptic number.

It is an amenable number.

25453435453 is a deficient number, since it is larger than the sum of its proper divisors (2366638787).

25453435453 is a wasteful number, since it uses less digits than its factorization.

25453435453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48298787.

The product of its digits is 2160000, while the sum is 43.

Subtracting 25453435453 from its reverse (35453435452), we obtain a palindrome (9999999999).

The spelling of 25453435453 in words is "twenty-five billion, four hundred fifty-three million, four hundred thirty-five thousand, four hundred fifty-three".