2540537323 has 2 divisors, whose sum is σ = 2540537324. Its totient is φ = 2540537322.

The previous prime is 2540537317. The next prime is 2540537353. The reversal of 2540537323 is 3237350452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2540537323 is a prime.

It is not a weakly prime, because it can be changed into another prime (2540537353) 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, 1270268661 + 1270268662.

It is an arithmetic number, because the mean of its divisors is an integer number (1270268662).

Almost surely, 2^2540537323 is an apocalyptic number.

2540537323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540537323 is an equidigital number, since it uses as much as digits as its factorization.

2540537323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 34.

The square root of 2540537323 is about 50403.7431447308. The cubic root of 2540537323 is about 1364.5051940462.

Adding to 2540537323 its reverse (3237350452), we get a palindrome (5777887775).

The spelling of 2540537323 in words is "two billion, five hundred forty million, five hundred thirty-seven thousand, three hundred twenty-three".