25256066 has 16 divisors (see below), whose sum is σ = 41718240. Its totient is φ = 11371680.

The previous prime is 25256057. The next prime is 25256107. The reversal of 25256066 is 66065252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3011 + ... + 7718.

It is an arithmetic number, because the mean of its divisors is an integer number (2607390).

Almost surely, 2^25256066 is an apocalyptic number.

25256066 is a deficient number, since it is larger than the sum of its proper divisors (16462174).

25256066 is a wasteful number, since it uses less digits than its factorization.

25256066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 25256066 is about 5025.5413638731. The cubic root of 25256066 is about 293.3967066358.

The spelling of 25256066 in words is "twenty-five million, two hundred fifty-six thousand, sixty-six".