25311230253 has 12 divisors (see below), whose sum is σ = 36572122080. Its totient is φ = 16868866056.

The previous prime is 25311230237. The next prime is 25311230267. The reversal of 25311230253 is 35203211352.

It is a happy number.

25311230253 is a `hidden beast` number, since 2 + 531 + 123 + 0 + 2 + 5 + 3 = 666.

It is not a de Polignac number, because 25311230253 - 2⁴ = 25311230237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25311230293) 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 11 ways as a sum of consecutive naturals, for example, 410193 + ... + 467846.

It is an arithmetic number, because the mean of its divisors is an integer number (3047676840).

Almost surely, 2^25311230253 is an apocalyptic number.

It is an amenable number.

25311230253 is a deficient number, since it is larger than the sum of its proper divisors (11260891827).

25311230253 is a wasteful number, since it uses less digits than its factorization.

25311230253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881248 (or 881245 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 25311230253 in words is "twenty-five billion, three hundred eleven million, two hundred thirty thousand, two hundred fifty-three".