25894879 has 2 divisors, whose sum is σ = 25894880. Its totient is φ = 25894878.

The previous prime is 25894877. The next prime is 25894949. The reversal of 25894879 is 97849852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25894879 - 2¹ = 25894877 is a prime.

Together with 25894877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25894871) 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, 12947439 + 12947440.

It is an arithmetic number, because the mean of its divisors is an integer number (12947440).

Almost surely, 2^25894879 is an apocalyptic number.

25894879 is a deficient number, since it is larger than the sum of its proper divisors (1).

25894879 is an equidigital number, since it uses as much as digits as its factorization.

25894879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The square root of 25894879 is about 5088.7011112857. The cubic root of 25894879 is about 295.8498104336.

The spelling of 25894879 in words is "twenty-five million, eight hundred ninety-four thousand, eight hundred seventy-nine".