25245585 has 24 divisors (see below), whose sum is σ = 46063680. Its totient is φ = 12755232.

The previous prime is 25245551. The next prime is 25245587. The reversal of 25245585 is 58554252.

It is a happy number.

25245585 is a `hidden beast` number, since 2 + 524 + 55 + 85 = 666.

It is not a de Polignac number, because 25245585 - 2¹⁴ = 25229201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25245587) 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 23 ways as a sum of consecutive naturals, for example, 13909 + ... + 15618.

It is an arithmetic number, because the mean of its divisors is an integer number (1919320).

Almost surely, 2^25245585 is an apocalyptic number.

It is an amenable number.

25245585 is a deficient number, since it is larger than the sum of its proper divisors (20818095).

25245585 is a wasteful number, since it uses less digits than its factorization.

25245585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29557 (or 29554 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 25245585 is about 5024.4984824358. The cubic root of 25245585 is about 293.3561155113.

The spelling of 25245585 in words is "twenty-five million, two hundred forty-five thousand, five hundred eighty-five".