2543245133 has 32 divisors (see below), whose sum is σ = 3166464000. Its totient is φ = 2008152000.

The previous prime is 2543245109. The next prime is 2543245139. The reversal of 2543245133 is 3315423452.

It is a cyclic number.

It is not a de Polignac number, because 2543245133 - 2¹² = 2543241037 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2543245133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543245139) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 407168 + ... + 413366.

It is an arithmetic number, because the mean of its divisors is an integer number (98952000).

Almost surely, 2^2543245133 is an apocalyptic number.

It is an amenable number.

2543245133 is a deficient number, since it is larger than the sum of its proper divisors (623218867).

2543245133 is a wasteful number, since it uses less digits than its factorization.

2543245133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393.

The product of its digits is 43200, while the sum is 32.

The square root of 2543245133 is about 50430.5971905945. The cubic root of 2543245133 is about 1364.9898039822.

Adding to 2543245133 its reverse (3315423452), we get a palindrome (5858668585).

The spelling of 2543245133 in words is "two billion, five hundred forty-three million, two hundred forty-five thousand, one hundred thirty-three".