25884871 has 2 divisors, whose sum is σ = 25884872. Its totient is φ = 25884870.

The previous prime is 25884857. The next prime is 25884919. The reversal of 25884871 is 17848852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25884871 - 2⁷ = 25884743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25884811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12942435 + 12942436.

It is an arithmetic number, because the mean of its divisors is an integer number (12942436).

Almost surely, 2^25884871 is an apocalyptic number.

25884871 is a deficient number, since it is larger than the sum of its proper divisors (1).

25884871 is an equidigital number, since it uses as much as digits as its factorization.

25884871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 143360, while the sum is 43.

The square root of 25884871 is about 5087.7176611915. The cubic root of 25884871 is about 295.8116916170.

The spelling of 25884871 in words is "twenty-five million, eight hundred eighty-four thousand, eight hundred seventy-one".