2580566061 has 4 divisors (see below), whose sum is σ = 3440754752. Its totient is φ = 1720377372.

The previous prime is 2580566039. The next prime is 2580566083. The reversal of 2580566061 is 1606650852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2580566039) and next prime (2580566083).

It is not a de Polignac number, because 2580566061 - 2²³ = 2572177453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580566761) 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 3 ways as a sum of consecutive naturals, for example, 430094341 + ... + 430094346.

It is an arithmetic number, because the mean of its divisors is an integer number (860188688).

Almost surely, 2^2580566061 is an apocalyptic number.

It is an amenable number.

2580566061 is a deficient number, since it is larger than the sum of its proper divisors (860188691).

2580566061 is an equidigital number, since it uses as much as digits as its factorization.

2580566061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860188690.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 2580566061 is about 50799.2722487242. The cubic root of 2580566061 is about 1371.6342691850.

The spelling of 2580566061 in words is "two billion, five hundred eighty million, five hundred sixty-six thousand, sixty-one".