2543663452 has 96 divisors (see below), whose sum is σ = 5151218688. Its totient is φ = 1097712000.

The previous prime is 2543663431. The next prime is 2543663459.

2543663452 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543663459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9386077 + ... + 9386347.

It is an arithmetic number, because the mean of its divisors is an integer number (53658528).

Almost surely, 2^2543663452 is an apocalyptic number.

2543663452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2543663452 is an abundant number, since it is smaller than the sum of its proper divisors (2607555236).

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

2543663452 is a wasteful number, since it uses less digits than its factorization.

2543663452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 368 counting only the distinct ones).

The product of its digits is 518400, while the sum is 40.

The square root of 2543663452 is about 50434.7444922645. The cubic root of 2543663452 is about 1365.0646388010.

It can be divided in two parts, 25436 and 63452, that added together give a palindrome (88888).

The spelling of 2543663452 in words is "two billion, five hundred forty-three million, six hundred sixty-three thousand, four hundred fifty-two".