25868445 has 32 divisors (see below), whose sum is σ = 43690752. Its totient is φ = 13043712.

The previous prime is 25868431. The next prime is 25868449. The reversal of 25868445 is 54486852.

It is not a de Polignac number, because 25868445 - 2⁴ = 25868429 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25868397 and 25868406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25868449) 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 in 31 ways as a sum of consecutive naturals, for example, 33079 + ... + 33851.

It is an arithmetic number, because the mean of its divisors is an integer number (1365336).

Almost surely, 2^25868445 is an apocalyptic number.

It is an amenable number.

25868445 is a deficient number, since it is larger than the sum of its proper divisors (17822307).

25868445 is a wasteful number, since it uses less digits than its factorization.

25868445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901.

The product of its digits is 307200, while the sum is 42.

The square root of 25868445 is about 5086.1031251834. The cubic root of 25868445 is about 295.7491063973.

The spelling of 25868445 in words is "twenty-five million, eight hundred sixty-eight thousand, four hundred forty-five".