2543200101 has 12 divisors (see below), whose sum is σ = 3956089228. Its totient is φ = 1565046144.

The previous prime is 2543200087. The next prime is 2543200117. The reversal of 2543200101 is 1010023452.

2543200101 is a `hidden beast` number, since 2 + 543 + 20 + 0 + 101 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1272348900 + 1270851201 = 35670^2 + 35649^2 .

It is not a de Polignac number, because 2543200101 - 2¹⁴ = 2543183717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543200151) 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 11 ways as a sum of consecutive naturals, for example, 10868260 + ... + 10868493.

Almost surely, 2^2543200101 is an apocalyptic number.

It is an amenable number.

2543200101 is a deficient number, since it is larger than the sum of its proper divisors (1412889127).

2543200101 is a wasteful number, since it uses less digits than its factorization.

2543200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21736772 (or 21736769 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2543200101 is about 50430.1507136356. The cubic root of 2543200101 is about 1364.9817475320.

Adding to 2543200101 its reverse (1010023452), we get a palindrome (3553223553).

The spelling of 2543200101 in words is "two billion, five hundred forty-three million, two hundred thousand, one hundred one".