25472166 has 8 divisors (see below), whose sum is σ = 50944344. Its totient is φ = 8490720.

The previous prime is 25472159. The next prime is 25472177. The reversal of 25472166 is 66127452.

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

25472166 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122675 + ... + 2122686.

It is an arithmetic number, because the mean of its divisors is an integer number (6368043).

Almost surely, 2^25472166 is an apocalyptic number.

25472166 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.

25472166 is a wasteful number, since it uses less digits than its factorization.

25472166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245366.

The product of its digits is 20160, while the sum is 33.

The square root of 25472166 is about 5046.9957400418. The cubic root of 25472166 is about 294.2311338974.

The spelling of 25472166 in words is "twenty-five million, four hundred seventy-two thousand, one hundred sixty-six".