25463605253 has 8 divisors (see below), whose sum is σ = 25593807360. Its totient is φ = 25333670160.

The previous prime is 25463605241. The next prime is 25463605259. The reversal of 25463605253 is 35250636452.

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 25463605253 - 2¹² = 25463601157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25463605253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25463605259) 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, 125876 + ... + 258402.

It is an arithmetic number, because the mean of its divisors is an integer number (3199225920).

Almost surely, 2^25463605253 is an apocalyptic number.

It is an amenable number.

25463605253 is a deficient number, since it is larger than the sum of its proper divisors (130202107).

25463605253 is a wasteful number, since it uses less digits than its factorization.

25463605253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133507.

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 25463605253 in words is "twenty-five billion, four hundred sixty-three million, six hundred five thousand, two hundred fifty-three".