25145166 has 8 divisors (see below), whose sum is σ = 50290344. Its totient is φ = 8381720.

The previous prime is 25145149. The next prime is 25145171. The reversal of 25145166 is 66154152.

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

25145166 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2095425 + ... + 2095436.

It is an arithmetic number, because the mean of its divisors is an integer number (6286293).

Almost surely, 2^25145166 is an apocalyptic number.

25145166 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.

25145166 is a wasteful number, since it uses less digits than its factorization.

25145166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190866.

The product of its digits is 7200, while the sum is 30.

The square root of 25145166 is about 5014.4955877935. The cubic root of 25145166 is about 292.9666391834.

The spelling of 25145166 in words is "twenty-five million, one hundred forty-five thousand, one hundred sixty-six".