2584780563 has 4 divisors (see below), whose sum is σ = 3446374088. Its totient is φ = 1723187040.

The previous prime is 2584780559. The next prime is 2584780609. The reversal of 2584780563 is 3650874852.

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

It is not a de Polignac number, because 2584780563 - 2² = 2584780559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2584780763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430796758 + ... + 430796763.

It is an arithmetic number, because the mean of its divisors is an integer number (861593522).

Almost surely, 2^2584780563 is an apocalyptic number.

2584780563 is a deficient number, since it is larger than the sum of its proper divisors (861593525).

2584780563 is an equidigital number, since it uses as much as digits as its factorization.

2584780563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861593524.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 2584780563 is about 50840.7372389504. The cubic root of 2584780563 is about 1372.3805668450.

The spelling of 2584780563 in words is "two billion, five hundred eighty-four million, seven hundred eighty thousand, five hundred sixty-three".