25225585 has 16 divisors (see below), whose sum is σ = 37740672. Its totient is φ = 15724800.

The previous prime is 25225583. The next prime is 25225633. The reversal of 25225585 is 58552252.

It is a happy number.

It is not a de Polignac number, because 25225585 - 2¹ = 25225583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25225585.

It is not an unprimeable number, because it can be changed into a prime (25225583) 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 15 ways as a sum of consecutive naturals, for example, 32376 + ... + 33145.

It is an arithmetic number, because the mean of its divisors is an integer number (2358792).

Almost surely, 2^25225585 is an apocalyptic number.

It is an amenable number.

25225585 is a deficient number, since it is larger than the sum of its proper divisors (12515087).

25225585 is a wasteful number, since it uses less digits than its factorization.

25225585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65544.

The product of its digits is 40000, while the sum is 34.

The square root of 25225585 is about 5022.5078397151. The cubic root of 25225585 is about 293.2786277402.

The spelling of 25225585 in words is "twenty-five million, two hundred twenty-five thousand, five hundred eighty-five".