2540834371 has 2 divisors, whose sum is σ = 2540834372. Its totient is φ = 2540834370.

The previous prime is 2540834341. The next prime is 2540834407. The reversal of 2540834371 is 1734380452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2540834371 - 2⁵ = 2540834339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2540834371.

It is not a weakly prime, because it can be changed into another prime (2540834341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270417185 + 1270417186.

It is an arithmetic number, because the mean of its divisors is an integer number (1270417186).

Almost surely, 2^2540834371 is an apocalyptic number.

2540834371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540834371 is an equidigital number, since it uses as much as digits as its factorization.

2540834371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 2540834371 is about 50406.6897445170. The cubic root of 2540834371 is about 1364.5583727890.

The spelling of 2540834371 in words is "two billion, five hundred forty million, eight hundred thirty-four thousand, three hundred seventy-one".