2540332271 has 2 divisors, whose sum is σ = 2540332272. Its totient is φ = 2540332270.

The previous prime is 2540332247. The next prime is 2540332303. The reversal of 2540332271 is 1722330452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2540332271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540335271) 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, 1270166135 + 1270166136.

It is an arithmetic number, because the mean of its divisors is an integer number (1270166136).

Almost surely, 2^2540332271 is an apocalyptic number.

2540332271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540332271 is an equidigital number, since it uses as much as digits as its factorization.

2540332271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 2540332271 is about 50401.7090087231. The cubic root of 2540332271 is about 1364.4684823836.

The spelling of 2540332271 in words is "two billion, five hundred forty million, three hundred thirty-two thousand, two hundred seventy-one".