25453272353 has 2 divisors, whose sum is σ = 25453272354. Its totient is φ = 25453272352.

The previous prime is 25453272239. The next prime is 25453272371. The reversal of 25453272353 is 35327235452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13621924369 + 11831347984 = 116713^2 + 108772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25453272353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25453272353.

It is not a weakly prime, because it can be changed into another prime (25453272373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12726636176 + 12726636177.

It is an arithmetic number, because the mean of its divisors is an integer number (12726636177).

Almost surely, 2^25453272353 is an apocalyptic number.

It is an amenable number.

25453272353 is a deficient number, since it is larger than the sum of its proper divisors (1).

25453272353 is an equidigital number, since it uses as much as digits as its factorization.

25453272353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 41.

The spelling of 25453272353 in words is "twenty-five billion, four hundred fifty-three million, two hundred seventy-two thousand, three hundred fifty-three".