2512021328 has 10 divisors (see below), whose sum is σ = 4867041354. Its totient is φ = 1256010656.

The previous prime is 2512021327. The next prime is 2512021339. The reversal of 2512021328 is 8231202152.

2512021328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2114896144 + 397125184 = 45988^2 + 19928^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2512021297 and 2512021306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512021327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78500651 + ... + 78500682.

Almost surely, 2^2512021328 is an apocalyptic number.

It is an amenable number.

2512021328 is a deficient number, since it is larger than the sum of its proper divisors (2355020026).

2512021328 is a wasteful number, since it uses less digits than its factorization.

2512021328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157001341 (or 157001335 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2512021328 is about 50120.0691140784. The cubic root of 2512021328 is about 1359.3807243996.

The spelling of 2512021328 in words is "two billion, five hundred twelve million, twenty-one thousand, three hundred twenty-eight".