2540543315 has 16 divisors (see below), whose sum is σ = 3183098688. Its totient is φ = 1942909056.

The previous prime is 2540543309. The next prime is 2540543339. The reversal of 2540543315 is 5133450452.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2540543315 - 2¹⁴ = 2540526931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 221297 + ... + 232493.

It is an arithmetic number, because the mean of its divisors is an integer number (198943668).

Almost surely, 2^2540543315 is an apocalyptic number.

2540543315 is a deficient number, since it is larger than the sum of its proper divisors (642555373).

2540543315 is a wasteful number, since it uses less digits than its factorization.

2540543315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2540543315 is about 50403.8025847257. The cubic root of 2540543315 is about 1364.5062667994.

Adding to 2540543315 its reverse (5133450452), we get a palindrome (7673993767).

The spelling of 2540543315 in words is "two billion, five hundred forty million, five hundred forty-three thousand, three hundred fifteen".