25941666 has 8 divisors (see below), whose sum is σ = 51883344. Its totient is φ = 8647220.

The previous prime is 25941659. The next prime is 25941667. The reversal of 25941666 is 66614952.

It is a sphenic number, since it is the product of 3 distinct primes.

25941666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25941667) 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 3 ways as a sum of consecutive naturals, for example, 2161800 + ... + 2161811.

It is an arithmetic number, because the mean of its divisors is an integer number (6485418).

Almost surely, 2^25941666 is an apocalyptic number.

25941666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25941666 is a wasteful number, since it uses less digits than its factorization.

25941666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323616.

The product of its digits is 77760, while the sum is 39.

The square root of 25941666 is about 5093.2961822380. The cubic root of 25941666 is about 296.0278842127.

The spelling of 25941666 in words is "twenty-five million, nine hundred forty-one thousand, six hundred sixty-six".