25453000135 has 4 divisors (see below), whose sum is σ = 30543600168. Its totient is φ = 20362400104.

The previous prime is 25453000103. The next prime is 25453000147. The reversal of 25453000135 is 53100035452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25453000135 - 2⁵ = 25453000103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2545300009 + ... + 2545300018.

It is an arithmetic number, because the mean of its divisors is an integer number (7635900042).

Almost surely, 2^25453000135 is an apocalyptic number.

25453000135 is a deficient number, since it is larger than the sum of its proper divisors (5090600033).

25453000135 is an equidigital number, since it uses as much as digits as its factorization.

25453000135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090600032.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 25453000135 its reverse (53100035452), we get a palindrome (78553035587).

The spelling of 25453000135 in words is "twenty-five billion, four hundred fifty-three million, one hundred thirty-five", and thus it is an aban number.