25285166 has 8 divisors (see below), whose sum is σ = 38276040. Its totient is φ = 12526488.

The previous prime is 25285163. The next prime is 25285177. The reversal of 25285166 is 66158252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25285163) by changing a digit.

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, 57776 + ... + 58211.

It is an arithmetic number, because the mean of its divisors is an integer number (4784505).

Almost surely, 2^25285166 is an apocalyptic number.

25285166 is a deficient number, since it is larger than the sum of its proper divisors (12990874).

25285166 is a wasteful number, since it uses less digits than its factorization.

25285166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116098.

The product of its digits is 28800, while the sum is 35.

The square root of 25285166 is about 5028.4357408642. The cubic root of 25285166 is about 293.5093471286.

The spelling of 25285166 in words is "twenty-five million, two hundred eighty-five thousand, one hundred sixty-six".