25585005 has 8 divisors (see below), whose sum is σ = 40936032. Its totient is φ = 13645328.

The previous prime is 25584997. The next prime is 25585009. The reversal of 25585005 is 50058552.

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

It is a cyclic number.

It is not a de Polignac number, because 25585005 - 2³ = 25584997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25585009) 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 7 ways as a sum of consecutive naturals, for example, 852819 + ... + 852848.

It is an arithmetic number, because the mean of its divisors is an integer number (5117004).

Almost surely, 2^25585005 is an apocalyptic number.

It is an amenable number.

25585005 is a deficient number, since it is larger than the sum of its proper divisors (15351027).

25585005 is a wasteful number, since it uses less digits than its factorization.

25585005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705675.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 25585005 is about 5058.1622156669. The cubic root of 25585005 is about 294.6649648478.

The spelling of 25585005 in words is "twenty-five million, five hundred eighty-five thousand, five".