2580280305 has 16 divisors (see below), whose sum is σ = 4130064960. Its totient is φ = 1375610688.

The previous prime is 2580280303. The next prime is 2580280321. The reversal of 2580280305 is 5030820852.

It is not a de Polignac number, because 2580280305 - 2¹ = 2580280303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2580280301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7539 + ... + 72231.

It is an arithmetic number, because the mean of its divisors is an integer number (258129060).

Almost surely, 2^2580280305 is an apocalyptic number.

It is an amenable number.

2580280305 is a deficient number, since it is larger than the sum of its proper divisors (1549784655).

2580280305 is a wasteful number, since it uses less digits than its factorization.

2580280305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67360.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 2580280305 is about 50796.4595715095. The cubic root of 2580280305 is about 1371.5836385377.

The spelling of 2580280305 in words is "two billion, five hundred eighty million, two hundred eighty thousand, three hundred five".