2540035549 has 2 divisors, whose sum is σ = 2540035550. Its totient is φ = 2540035548.

The previous prime is 2540035483. The next prime is 2540035573. The reversal of 2540035549 is 9455300452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1427479524 + 1112556025 = 37782^2 + 33355^2 .

It is a cyclic number.

It is not a de Polignac number, because 2540035549 - 2⁹ = 2540035037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540035049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270017774 + 1270017775.

It is an arithmetic number, because the mean of its divisors is an integer number (1270017775).

Almost surely, 2^2540035549 is an apocalyptic number.

It is an amenable number.

2540035549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540035549 is an equidigital number, since it uses as much as digits as its factorization.

2540035549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 2540035549 is about 50398.7653519409. The cubic root of 2540035549 is about 1364.4153550052.

The spelling of 2540035549 in words is "two billion, five hundred forty million, thirty-five thousand, five hundred forty-nine".