25452254057 has 8 divisors (see below), whose sum is σ = 26335368000. Its totient is φ = 24569503504.

The previous prime is 25452254041. The next prime is 25452254059. The reversal of 25452254057 is 75045225452.

It is a happy number.

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 25452254057 - 2⁴ = 25452254041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25452254059) 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, 55694 + ... + 232392.

It is an arithmetic number, because the mean of its divisors is an integer number (3291921000).

Almost surely, 2^25452254057 is an apocalyptic number.

It is an amenable number.

25452254057 is a deficient number, since it is larger than the sum of its proper divisors (883113943).

25452254057 is a wasteful number, since it uses less digits than its factorization.

25452254057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181695.

The product of its (nonzero) digits is 560000, while the sum is 41.

The spelling of 25452254057 in words is "twenty-five billion, four hundred fifty-two million, two hundred fifty-four thousand, fifty-seven".