25825271 has 4 divisors (see below), whose sum is σ = 25854000. Its totient is φ = 25796544.

The previous prime is 25825253. The next prime is 25825277. The reversal of 25825271 is 17252852.

It is a happy number.

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 25825271 - 2⁶ = 25825207 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 (25825277) 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, 12971 + ... + 14828.

It is an arithmetic number, because the mean of its divisors is an integer number (6463500).

Almost surely, 2^25825271 is an apocalyptic number.

25825271 is a deficient number, since it is larger than the sum of its proper divisors (28729).

25825271 is an equidigital number, since it uses as much as digits as its factorization.

25825271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28728.

The product of its digits is 11200, while the sum is 32.

The square root of 25825271 is about 5081.8570424600. The cubic root of 25825271 is about 295.5844813483.

The spelling of 25825271 in words is "twenty-five million, eight hundred twenty-five thousand, two hundred seventy-one".