2557025528 has 8 divisors (see below), whose sum is σ = 4794422880. Its totient is φ = 1278512760.

The previous prime is 2557025519. The next prime is 2557025579. The reversal of 2557025528 is 8255207552.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159814088 + ... + 159814103.

It is an arithmetic number, because the mean of its divisors is an integer number (599302860).

Almost surely, 2^2557025528 is an apocalyptic number.

It is an amenable number.

2557025528 is a deficient number, since it is larger than the sum of its proper divisors (2237397352).

2557025528 is a wasteful number, since it uses less digits than its factorization.

2557025528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319628197 (or 319628193 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 41.

The square root of 2557025528 is about 50567.0399370974. The cubic root of 2557025528 is about 1367.4507316365.

The spelling of 2557025528 in words is "two billion, five hundred fifty-seven million, twenty-five thousand, five hundred twenty-eight".