25466109 has 8 divisors (see below), whose sum is σ = 33987360. Its totient is φ = 16961136.

The previous prime is 25466093. The next prime is 25466113. The reversal of 25466109 is 90166452.

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

It is not a de Polignac number, because 25466109 - 2⁴ = 25466093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25466109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25466149) 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 7 ways as a sum of consecutive naturals, for example, 234 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (4248420).

Almost surely, 2^25466109 is an apocalyptic number.

It is an amenable number.

25466109 is a deficient number, since it is larger than the sum of its proper divisors (8521251).

25466109 is a wasteful number, since it uses less digits than its factorization.

25466109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 25466109 is about 5046.3956444179. The cubic root of 25466109 is about 294.2078104097.

The spelling of 25466109 in words is "twenty-five million, four hundred sixty-six thousand, one hundred nine".