25745585 has 8 divisors (see below), whose sum is σ = 30960576. Its totient is φ = 20552560.

The previous prime is 25745569. The next prime is 25745611. The reversal of 25745585 is 58554752.

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

It is not a de Polignac number, because 25745585 - 2⁴ = 25745569 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 2789 + ... + 7698.

It is an arithmetic number, because the mean of its divisors is an integer number (3870072).

Almost surely, 2^25745585 is an apocalyptic number.

It is an amenable number.

25745585 is a deficient number, since it is larger than the sum of its proper divisors (5214991).

25745585 is a wasteful number, since it uses less digits than its factorization.

25745585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10983.

The product of its digits is 280000, while the sum is 41.

The square root of 25745585 is about 5074.0107410213. The cubic root of 25745585 is about 295.2801513702.

The spelling of 25745585 in words is "twenty-five million, seven hundred forty-five thousand, five hundred eighty-five".