25856273 has 2 divisors, whose sum is σ = 25856274. Its totient is φ = 25856272.

The previous prime is 25856261. The next prime is 25856297. The reversal of 25856273 is 37265852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25573249 + 283024 = 5057^2 + 532^2 .

It is a cyclic number.

It is not a de Polignac number, because 25856273 - 2¹⁴ = 25839889 is a prime.

It is not a weakly prime, because it can be changed into another prime (25856203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12928136 + 12928137.

It is an arithmetic number, because the mean of its divisors is an integer number (12928137).

Almost surely, 2^25856273 is an apocalyptic number.

It is an amenable number.

25856273 is a deficient number, since it is larger than the sum of its proper divisors (1).

25856273 is an equidigital number, since it uses as much as digits as its factorization.

25856273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 25856273 is about 5084.9063904855. The cubic root of 25856273 is about 295.7027123847.

The spelling of 25856273 in words is "twenty-five million, eight hundred fifty-six thousand, two hundred seventy-three".