2565925485 has 16 divisors (see below), whose sum is σ = 4118604864. Its totient is φ = 1364118912.

The previous prime is 2565925477. The next prime is 2565925487. The reversal of 2565925485 is 5845295652.

It is not a de Polignac number, because 2565925485 - 2³ = 2565925477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565925487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268567 + ... + 277956.

It is an arithmetic number, because the mean of its divisors is an integer number (257412804).

Almost surely, 2^2565925485 is an apocalyptic number.

It is an amenable number.

2565925485 is a deficient number, since it is larger than the sum of its proper divisors (1552679379).

2565925485 is a wasteful number, since it uses less digits than its factorization.

2565925485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546844.

The product of its digits is 4320000, while the sum is 51.

The square root of 2565925485 is about 50654.9650577315. The cubic root of 2565925485 is about 1369.0354062167.

The spelling of 2565925485 in words is "two billion, five hundred sixty-five million, nine hundred twenty-five thousand, four hundred eighty-five".