2580305487 has 4 divisors (see below), whose sum is σ = 3440407320. Its totient is φ = 1720203656.

The previous prime is 2580305473. The next prime is 2580305489. The reversal of 2580305487 is 7845030852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2580305487 - 2¹⁶ = 2580239951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580305489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430050912 + ... + 430050917.

It is an arithmetic number, because the mean of its divisors is an integer number (860101830).

Almost surely, 2^2580305487 is an apocalyptic number.

2580305487 is a deficient number, since it is larger than the sum of its proper divisors (860101833).

2580305487 is an equidigital number, since it uses as much as digits as its factorization.

2580305487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860101832.

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 2580305487 is about 50796.7074425105. The cubic root of 2580305487 is about 1371.5881004698.

The spelling of 2580305487 in words is "two billion, five hundred eighty million, three hundred five thousand, four hundred eighty-seven".