2502400543 has 4 divisors (see below), whose sum is σ = 2527176888. Its totient is φ = 2477624200.

The previous prime is 2502400469. The next prime is 2502400559. The reversal of 2502400543 is 3450042052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2502400543 - 2⁹ = 2502400031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502401543) 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 3 ways as a sum of consecutive naturals, for example, 12388021 + ... + 12388222.

It is an arithmetic number, because the mean of its divisors is an integer number (631794222).

Almost surely, 2^2502400543 is an apocalyptic number.

2502400543 is a deficient number, since it is larger than the sum of its proper divisors (24776345).

2502400543 is a wasteful number, since it uses less digits than its factorization.

2502400543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24776344.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2502400543 is about 50023.9996701583. Note that the first 3 decimals coincide. The cubic root of 2502400543 is about 1357.6430744111.

Adding to 2502400543 its reverse (3450042052), we get a palindrome (5952442595).

The spelling of 2502400543 in words is "two billion, five hundred two million, four hundred thousand, five hundred forty-three".