2605584725 has 12 divisors (see below), whose sum is σ = 3234196644. Its totient is φ = 2082357120.

The previous prime is 2605584719. The next prime is 2605584763. The reversal of 2605584725 is 5274855062.

It can be written as a sum of positive squares in 6 ways, for example, as 227949604 + 2377635121 = 15098^2 + 48761^2 .

It is not a de Polignac number, because 2605584725 - 2⁶ = 2605584661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27344 + ... + 77193.

It is an arithmetic number, because the mean of its divisors is an integer number (269516387).

Almost surely, 2^2605584725 is an apocalyptic number.

2605584725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2605584725 is a deficient number, since it is larger than the sum of its proper divisors (628611919).

2605584725 is a wasteful number, since it uses less digits than its factorization.

2605584725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105544 (or 105539 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 44.

The square root of 2605584725 is about 51044.9284944156. The cubic root of 2605584725 is about 1376.0526990828.

The spelling of 2605584725 in words is "two billion, six hundred five million, five hundred eighty-four thousand, seven hundred twenty-five".