25860271 has 2 divisors, whose sum is σ = 25860272. Its totient is φ = 25860270.

The previous prime is 25860251. The next prime is 25860277. The reversal of 25860271 is 17206852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25860271 - 2⁵ = 25860239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25860277) 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 as a sum of consecutive naturals, namely, 12930135 + 12930136.

It is an arithmetic number, because the mean of its divisors is an integer number (12930136).

Almost surely, 2^25860271 is an apocalyptic number.

25860271 is a deficient number, since it is larger than the sum of its proper divisors (1).

25860271 is an equidigital number, since it uses as much as digits as its factorization.

25860271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 25860271 is about 5085.2994995379. The cubic root of 25860271 is about 295.7179525100.

The spelling of 25860271 in words is "twenty-five million, eight hundred sixty thousand, two hundred seventy-one".