25867266 has 8 divisors (see below), whose sum is σ = 51734544. Its totient is φ = 8622420.

The previous prime is 25867243. The next prime is 25867267. The reversal of 25867266 is 66276852.

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

25867266 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25867267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2155600 + ... + 2155611.

It is an arithmetic number, because the mean of its divisors is an integer number (6466818).

Almost surely, 2^25867266 is an apocalyptic number.

25867266 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.

25867266 is a wasteful number, since it uses less digits than its factorization.

25867266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311216.

The product of its digits is 241920, while the sum is 42.

The square root of 25867266 is about 5085.9872198031. The cubic root of 25867266 is about 295.7446132334.

The spelling of 25867266 in words is "twenty-five million, eight hundred sixty-seven thousand, two hundred sixty-six".