25086871 has 2 divisors, whose sum is σ = 25086872. Its totient is φ = 25086870.

The previous prime is 25086869. The next prime is 25086911. The reversal of 25086871 is 17868052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25086871 - 2¹ = 25086869 is a prime.

Together with 25086869, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25086871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25086811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12543435 + 12543436.

It is an arithmetic number, because the mean of its divisors is an integer number (12543436).

Almost surely, 2^25086871 is an apocalyptic number.

25086871 is a deficient number, since it is larger than the sum of its proper divisors (1).

25086871 is an equidigital number, since it uses as much as digits as its factorization.

25086871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 25086871 is about 5008.6795665125. The cubic root of 25086871 is about 292.7400654135.

The spelling of 25086871 in words is "twenty-five million, eighty-six thousand, eight hundred seventy-one".