25085166 has 32 divisors (see below), whose sum is σ = 53353728. Its totient is φ = 7835520.

The previous prime is 25085141. The next prime is 25085171. The reversal of 25085166 is 66158052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33391 + ... + 34133.

It is an arithmetic number, because the mean of its divisors is an integer number (1667304).

Almost surely, 2^25085166 is an apocalyptic number.

25085166 is an abundant number, since it is smaller than the sum of its proper divisors (28268562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25085166 is a wasteful number, since it uses less digits than its factorization.

25085166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 25085166 is about 5008.5093590808. The cubic root of 25085166 is about 292.7334333506.

The spelling of 25085166 in words is "twenty-five million, eighty-five thousand, one hundred sixty-six".