25253195781327 has 4 divisors (see below), whose sum is σ = 33670927708440. Its totient is φ = 16835463854216.

The previous prime is 25253195781323. The next prime is 25253195781409. The reversal of 25253195781327 is 72318759135252.

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

It is a cyclic number.

It is not a de Polignac number, because 25253195781327 - 2² = 25253195781323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253195781323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208865963552 + ... + 4208865963557.

It is an arithmetic number, because the mean of its divisors is an integer number (8417731927110).

Almost surely, 2^{25253195781327} is an apocalyptic number.

25253195781327 is a deficient number, since it is larger than the sum of its proper divisors (8417731927113).

25253195781327 is an equidigital number, since it uses as much as digits as its factorization.

25253195781327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417731927112.

The product of its digits is 31752000, while the sum is 60.

The spelling of 25253195781327 in words is "twenty-five trillion, two hundred fifty-three billion, one hundred ninety-five million, seven hundred eighty-one thousand, three hundred twenty-seven".