2538545652 has 18 divisors (see below), whose sum is σ = 6416879378. Its totient is φ = 846181872.

The previous prime is 2538545651. The next prime is 2538545663. The reversal of 2538545652 is 2565458352.

2538545652 is a `hidden beast` number, since 2 + 5 + 3 + 85 + 4 + 565 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2534719716 + 3825936 = 50346^2 + 1956^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 2538545598 and 2538545607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538545651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35257543 + ... + 35257614.

Almost surely, 2^2538545652 is an apocalyptic number.

It is an amenable number.

2538545652 is an abundant number, since it is smaller than the sum of its proper divisors (3878333726).

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

2538545652 is a wasteful number, since it uses less digits than its factorization.

2538545652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70515167 (or 70515162 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The square root of 2538545652 is about 50383.9820974881. The cubic root of 2538545652 is about 1364.1485298764.

The spelling of 2538545652 in words is "two billion, five hundred thirty-eight million, five hundred forty-five thousand, six hundred fifty-two".