25055271 has 8 divisors (see below), whose sum is σ = 37118960. Its totient is φ = 16703496.

The previous prime is 25055269. The next prime is 25055291. The reversal of 25055271 is 17255052.

It is a happy number.

It is not a de Polignac number, because 25055271 - 2¹ = 25055269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 927973 = 25055271 / (2 + 5 + 0 + 5 + 5 + 2 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25055231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463960 + ... + 464013.

It is an arithmetic number, because the mean of its divisors is an integer number (4639870).

Almost surely, 2^25055271 is an apocalyptic number.

25055271 is a deficient number, since it is larger than the sum of its proper divisors (12063689).

25055271 is an equidigital number, since it uses as much as digits as its factorization.

25055271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927982 (or 927976 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 25055271 is about 5005.5240484888. The cubic root of 25055271 is about 292.6170997280.

It can be divided in two parts, 2505 and 5271, that added together give a 5-th power (7776 = 6⁵).

The spelling of 25055271 in words is "twenty-five million, fifty-five thousand, two hundred seventy-one".