25473907271 has 4 divisors (see below), whose sum is σ = 25480973232. Its totient is φ = 25466841312.

The previous prime is 25473907247. The next prime is 25473907279. The reversal of 25473907271 is 17270937452.

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 25473907271 - 2³⁴ = 8294038087 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 (25473907279) 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, 3527570 + ... + 3534783.

It is an arithmetic number, because the mean of its divisors is an integer number (6370243308).

Almost surely, 2^25473907271 is an apocalyptic number.

25473907271 is a deficient number, since it is larger than the sum of its proper divisors (7065961).

25473907271 is an equidigital number, since it uses as much as digits as its factorization.

25473907271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065960.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 25473907271 in words is "twenty-five billion, four hundred seventy-three million, nine hundred seven thousand, two hundred seventy-one".