2540210543 has 16 divisors (see below), whose sum is σ = 2906443680. Its totient is φ = 2202754176.

The previous prime is 2540210537. The next prime is 2540210549. The reversal of 2540210543 is 3450120452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2540210537) and next prime (2540210549).

It is a cyclic number.

It is not a de Polignac number, because 2540210543 - 2⁴ = 2540210527 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 (2540210549) 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 15 ways as a sum of consecutive naturals, for example, 77105 + ... + 105002.

It is an arithmetic number, because the mean of its divisors is an integer number (181652730).

Almost surely, 2^2540210543 is an apocalyptic number.

2540210543 is a deficient number, since it is larger than the sum of its proper divisors (366233137).

2540210543 is a wasteful number, since it uses less digits than its factorization.

2540210543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182186.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2540210543 is about 50400.5014161566. The cubic root of 2540210543 is about 1364.4466877711.

Adding to 2540210543 its reverse (3450120452), we get a palindrome (5990330995).

Subtracting 2540210543 from its reverse (3450120452), we obtain a palindrome (909909909).

The spelling of 2540210543 in words is "two billion, five hundred forty million, two hundred ten thousand, five hundred forty-three".