2528578834 has 16 divisors (see below), whose sum is σ = 3834394200. Its totient is φ = 1250473600.

The previous prime is 2528578813. The next prime is 2528578847. The reversal of 2528578834 is 4388758252.

It can be written as a sum of positive squares in 4 ways, for example, as 2266236025 + 262342809 = 47605^2 + 16197^2 .

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, 205932 + ... + 217864.

Almost surely, 2^2528578834 is an apocalyptic number.

2528578834 is a deficient number, since it is larger than the sum of its proper divisors (1305815366).

2528578834 is a wasteful number, since it uses less digits than its factorization.

2528578834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13085.

The product of its digits is 4300800, while the sum is 52.

The square root of 2528578834 is about 50284.9762255089. The cubic root of 2528578834 is about 1362.3608852045.

The spelling of 2528578834 in words is "two billion, five hundred twenty-eight million, five hundred seventy-eight thousand, eight hundred thirty-four".