25601485 has 16 divisors (see below), whose sum is σ = 37812096. Its totient is φ = 16204608.

The previous prime is 25601479. The next prime is 25601489. The reversal of 25601485 is 58410652.

It is not a de Polignac number, because 25601485 - 2⁵ = 25601453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25601489) 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 15 ways as a sum of consecutive naturals, for example, 27679 + ... + 28588.

It is an arithmetic number, because the mean of its divisors is an integer number (2363256).

Almost surely, 2^25601485 is an apocalyptic number.

It is an amenable number.

25601485 is a deficient number, since it is larger than the sum of its proper divisors (12210611).

25601485 is a wasteful number, since it uses less digits than its factorization.

25601485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56292.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 25601485 is about 5059.7910035890. The cubic root of 25601485 is about 294.7282185173.

The spelling of 25601485 in words is "twenty-five million, six hundred one thousand, four hundred eighty-five".