2528870057 has 10 divisors (see below), whose sum is σ = 2950175658. Its totient is φ = 2167600848.

The previous prime is 2528870051. The next prime is 2528870059. The reversal of 2528870057 is 7500788252.

It can be written as a sum of positive squares in only one way, i.e., 2502900841 + 25969216 = 50029^2 + 5096^2 .

It is not a de Polignac number, because 2528870057 - 2⁸ = 2528869801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528870051) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 524228 + ... + 529029.

Almost surely, 2^2528870057 is an apocalyptic number.

It is an amenable number.

2528870057 is a deficient number, since it is larger than the sum of its proper divisors (421305601).

2528870057 is an frugal number, since it uses more digits than its factorization.

2528870057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053285 (or 1053264 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 2528870057 is about 50287.8718678769. The cubic root of 2528870057 is about 1362.4131854121.

The spelling of 2528870057 in words is "two billion, five hundred twenty-eight million, eight hundred seventy thousand, fifty-seven".