2240542543 has 2 divisors, whose sum is σ = 2240542544. Its totient is φ = 2240542542.

The previous prime is 2240542517. The next prime is 2240542561. The reversal of 2240542543 is 3452450422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2240542543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240542573) 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 as a sum of consecutive naturals, namely, 1120271271 + 1120271272.

It is an arithmetic number, because the mean of its divisors is an integer number (1120271272).

Almost surely, 2^2240542543 is an apocalyptic number.

2240542543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240542543 is an equidigital number, since it uses as much as digits as its factorization.

2240542543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 2240542543 is about 47334.3695743378. The cubic root of 2240542543 is about 1308.5321521033.

Adding to 2240542543 its reverse (3452450422), we get a palindrome (5692992965).

The spelling of 2240542543 in words is "two billion, two hundred forty million, five hundred forty-two thousand, five hundred forty-three".