2540083687 has 2 divisors, whose sum is σ = 2540083688. Its totient is φ = 2540083686.

The previous prime is 2540083669. The next prime is 2540083769. The reversal of 2540083687 is 7863800452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2540083687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540083607) 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, 1270041843 + 1270041844.

It is an arithmetic number, because the mean of its divisors is an integer number (1270041844).

Almost surely, 2^2540083687 is an apocalyptic number.

2540083687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540083687 is an equidigital number, since it uses as much as digits as its factorization.

2540083687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 2540083687 is about 50399.2429209011. The cubic root of 2540083687 is about 1364.4239742824.

The spelling of 2540083687 in words is "two billion, five hundred forty million, eighty-three thousand, six hundred eighty-seven".