2543545052 has 6 divisors (see below), whose sum is σ = 4451203848. Its totient is φ = 1271772524.

The previous prime is 2543545027. The next prime is 2543545063. The reversal of 2543545052 is 2505453452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317943128 + ... + 317943135.

It is an arithmetic number, because the mean of its divisors is an integer number (741867308).

Almost surely, 2^2543545052 is an apocalyptic number.

It is an amenable number.

2543545052 is a deficient number, since it is larger than the sum of its proper divisors (1907658796).

2543545052 is a wasteful number, since it uses less digits than its factorization.

2543545052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635886267 (or 635886265 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 2543545052 is about 50433.5706846144. The cubic root of 2543545052 is about 1365.0434585671.

The spelling of 2543545052 in words is "two billion, five hundred forty-three million, five hundred forty-five thousand, fifty-two".