2582582578 has 4 divisors (see below), whose sum is σ = 3873873870. Its totient is φ = 1291291288.

The previous prime is 2582582533. The next prime is 2582582593. The reversal of 2582582578 is 8752852852.

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

It can be written as a sum of positive squares in only one way, i.e., 2568766489 + 13816089 = 50683^2 + 3717^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 645645643 + ... + 645645646.

Almost surely, 2^2582582578 is an apocalyptic number.

2582582578 is a deficient number, since it is larger than the sum of its proper divisors (1291291292).

2582582578 is a wasteful number, since it uses less digits than its factorization.

2582582578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291291291.

The product of its digits is 3584000, while the sum is 52.

The square root of 2582582578 is about 50819.1162654370. The cubic root of 2582582578 is about 1371.9914522753.

The spelling of 2582582578 in words is "two billion, five hundred eighty-two million, five hundred eighty-two thousand, five hundred seventy-eight".