25255272673 has 4 divisors (see below), whose sum is σ = 25255687360. Its totient is φ = 25254857988.

The previous prime is 25255272667. The next prime is 25255272703. The reversal of 25255272673 is 37627255252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25255272673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25255272773) 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, 96093 + ... + 244426.

It is an arithmetic number, because the mean of its divisors is an integer number (6313921840).

Almost surely, 2^25255272673 is an apocalyptic number.

It is an amenable number.

25255272673 is a deficient number, since it is larger than the sum of its proper divisors (414687).

25255272673 is an equidigital number, since it uses as much as digits as its factorization.

25255272673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414686.

The product of its digits is 1764000, while the sum is 46.

The spelling of 25255272673 in words is "twenty-five billion, two hundred fifty-five million, two hundred seventy-two thousand, six hundred seventy-three".