2505025128 has 32 divisors (see below), whose sum is σ = 6534849600. Its totient is φ = 798703488.

The previous prime is 2505025111. The next prime is 2505025147. The reversal of 2505025128 is 8215205052.

2505025128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2505025128² = 12550301783822832768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2505025095 and 2505025104.

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, 2268493 + ... + 2269596.

It is an arithmetic number, because the mean of its divisors is an integer number (204214050).

Almost surely, 2^2505025128 is an apocalyptic number.

It is an amenable number.

2505025128 is an abundant number, since it is smaller than the sum of its proper divisors (4029824472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505025128 is a wasteful number, since it uses less digits than its factorization.

2505025128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538121 (or 4538117 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 2505025128 is about 50050.2260534356. The cubic root of 2505025128 is about 1358.1175527594.

The spelling of 2505025128 in words is "two billion, five hundred five million, twenty-five thousand, one hundred twenty-eight".