2573538228 has 36 divisors (see below), whose sum is σ = 6615598080. Its totient is φ = 843305616.

The previous prime is 2573538223. The next prime is 2573538229. The reversal of 2573538228 is 8228353752.

2573538228 is a `hidden beast` number, since 2 + 573 + 53 + 8 + 2 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573538223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603700 + ... + 607947.

Almost surely, 2^2573538228 is an apocalyptic number.

It is an amenable number.

2573538228 is an abundant number, since it is smaller than the sum of its proper divisors (4042059852).

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

2573538228 is a wasteful number, since it uses less digits than its factorization.

2573538228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211716 (or 1211711 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 2573538228 is about 50730.0525132786. The cubic root of 2573538228 is about 1370.3879818253.

The spelling of 2573538228 in words is "two billion, five hundred seventy-three million, five hundred thirty-eight thousand, two hundred twenty-eight".