2580255785 has 8 divisors (see below), whose sum is σ = 3096651336. Its totient is φ = 2063975040.

The previous prime is 2580255761. The next prime is 2580255809. The reversal of 2580255785 is 5875520852.

It is an interprime number because it is at equal distance from previous prime (2580255761) and next prime (2580255809).

It can be written as a sum of positive squares in 4 ways, for example, as 221890816 + 2358364969 = 14896^2 + 48563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2580255785 - 2¹² = 2580251689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32687 + ... + 78923.

It is an arithmetic number, because the mean of its divisors is an integer number (387081417).

Almost surely, 2^2580255785 is an apocalyptic number.

It is an amenable number.

2580255785 is a deficient number, since it is larger than the sum of its proper divisors (516395551).

2580255785 is a wasteful number, since it uses less digits than its factorization.

2580255785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57403.

The product of its (nonzero) digits is 1120000, while the sum is 47.

The square root of 2580255785 is about 50796.2182155325. The cubic root of 2580255785 is about 1371.5792938757.

The spelling of 2580255785 in words is "two billion, five hundred eighty million, two hundred fifty-five thousand, seven hundred eighty-five".