2528944825 has 12 divisors (see below), whose sum is σ = 3420973008. Its totient is φ = 1839232400.

The previous prime is 2528944807. The next prime is 2528944867. The reversal of 2528944825 is 5284498252.

It is not a de Polignac number, because 2528944825 - 2⁵ = 2528944793 is a prime.

It is a Duffinian number.

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 in 11 ways as a sum of consecutive naturals, for example, 4597807 + ... + 4598356.

It is an arithmetic number, because the mean of its divisors is an integer number (285081084).

Almost surely, 2^2528944825 is an apocalyptic number.

2528944825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2528944825 is a deficient number, since it is larger than the sum of its proper divisors (892028183).

2528944825 is a wasteful number, since it uses less digits than its factorization.

2528944825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9196184 (or 9196179 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 49.

The square root of 2528944825 is about 50288.6152623037. The cubic root of 2528944825 is about 1362.4266122131.

The spelling of 2528944825 in words is "two billion, five hundred twenty-eight million, nine hundred forty-four thousand, eight hundred twenty-five".