1540793053 has 2 divisors, whose sum is σ = 1540793054. Its totient is φ = 1540793052.

The previous prime is 1540793047. The next prime is 1540793099. The reversal of 1540793053 is 3503970451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056705049 + 484088004 = 32507^2 + 22002^2 .

It is an emirp because it is prime and its reverse (3503970451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1540793053 - 2²¹ = 1538695901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1540791053) 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, 770396526 + 770396527.

It is an arithmetic number, because the mean of its divisors is an integer number (770396527).

Almost surely, 2^1540793053 is an apocalyptic number.

It is an amenable number.

1540793053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540793053 is an equidigital number, since it uses as much as digits as its factorization.

1540793053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 1540793053 is about 39252.9368710164. The cubic root of 1540793053 is about 1154.9985452528.

The spelling of 1540793053 in words is "one billion, five hundred forty million, seven hundred ninety-three thousand, fifty-three".