28526582425 has 48 divisors (see below), whose sum is σ = 40654451520. Its totient is φ = 19637856000.

The previous prime is 28526582317. The next prime is 28526582431. The reversal of 28526582425 is 52428562582.

It is not a de Polignac number, because 28526582425 - 2⁷ = 28526582297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11979735 + ... + 11982115.

It is an arithmetic number, because the mean of its divisors is an integer number (846967740).

Almost surely, 2^28526582425 is an apocalyptic number.

28526582425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28526582425 is a deficient number, since it is larger than the sum of its proper divisors (12127869095).

28526582425 is a wasteful number, since it uses less digits than its factorization.

28526582425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714 (or 4709 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 49.

The spelling of 28526582425 in words is "twenty-eight billion, five hundred twenty-six million, five hundred eighty-two thousand, four hundred twenty-five".