25453132531434 has 96 divisors (see below), whose sum is σ = 58499211101760. Its totient is φ = 7975782547200.

The previous prime is 25453132531391. The next prime is 25453132531459. The reversal of 25453132531434 is 43413523135452.

25453132531434 is a `hidden beast` number, since 2 + 5 + 4 + 5 + 3 + 1 + 325 + 314 + 3 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25453132531434.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 826895124 + ... + 826925904.

It is an arithmetic number, because the mean of its divisors is an integer number (609366782310).

Almost surely, 2^{25453132531434} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25453132531434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29249605550880).

25453132531434 is an abundant number, since it is smaller than the sum of its proper divisors (33046078570326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25453132531434 is a wasteful number, since it uses less digits than its factorization.

25453132531434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49396 (or 49393 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 45.

Adding to 25453132531434 its reverse (43413523135452), we get a palindrome (68866655666886).

The spelling of 25453132531434 in words is "twenty-five trillion, four hundred fifty-three billion, one hundred thirty-two million, five hundred thirty-one thousand, four hundred thirty-four".