25452254127 has 4 divisors (see below), whose sum is σ = 33936338840. Its totient is φ = 16968169416.

The previous prime is 25452254117. The next prime is 25452254129. The reversal of 25452254127 is 72145225452.

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

It is not a de Polignac number, because 25452254127 - 2⁴ = 25452254111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25452254129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4242042352 + ... + 4242042357.

It is an arithmetic number, because the mean of its divisors is an integer number (8484084710).

Almost surely, 2^25452254127 is an apocalyptic number.

25452254127 is a deficient number, since it is larger than the sum of its proper divisors (8484084713).

25452254127 is an equidigital number, since it uses as much as digits as its factorization.

25452254127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8484084712.

The product of its digits is 224000, while the sum is 39.

Adding to 25452254127 its reverse (72145225452), we get a palindrome (97597479579).

The spelling of 25452254127 in words is "twenty-five billion, four hundred fifty-two million, two hundred fifty-four thousand, one hundred twenty-seven".