2580532505 has 8 divisors (see below), whose sum is σ = 3096918024. Its totient is φ = 2064240000.

The previous prime is 2580532453. The next prime is 2580532517. The reversal of 2580532505 is 5052350852.

It can be written as a sum of positive squares in 4 ways, for example, as 12880921 + 2567651584 = 3589^2 + 50672^2 .

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

It is not a de Polignac number, because 2580532505 - 2⁶ = 2580532441 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, 77405 + ... + 105605.

It is an arithmetic number, because the mean of its divisors is an integer number (387114753).

Almost surely, 2^2580532505 is an apocalyptic number.

It is an amenable number.

2580532505 is a deficient number, since it is larger than the sum of its proper divisors (516385519).

2580532505 is a wasteful number, since it uses less digits than its factorization.

2580532505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46507.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 2580532505 is about 50798.9419673284. The cubic root of 2580532505 is about 1371.6283238798.

The spelling of 2580532505 in words is "two billion, five hundred eighty million, five hundred thirty-two thousand, five hundred five".