25385085 has 24 divisors (see below), whose sum is σ = 48001824. Its totient is φ = 12307680.

The previous prime is 25385081. The next prime is 25385099. The reversal of 25385085 is 58058352.

It is not a de Polignac number, because 25385085 - 2² = 25385081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25385081) 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 23 ways as a sum of consecutive naturals, for example, 25147 + ... + 26136.

It is an arithmetic number, because the mean of its divisors is an integer number (2000076).

Almost surely, 2^25385085 is an apocalyptic number.

It is an amenable number.

25385085 is a deficient number, since it is larger than the sum of its proper divisors (22616739).

25385085 is a wasteful number, since it uses less digits than its factorization.

25385085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51305 (or 51302 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 25385085 is about 5038.3613407536. The cubic root of 25385085 is about 293.8954577633.

The spelling of 25385085 in words is "twenty-five million, three hundred eighty-five thousand, eighty-five".