1540532353 has 2 divisors, whose sum is σ = 1540532354. Its totient is φ = 1540532352.

The previous prime is 1540532339. The next prime is 1540532363. The reversal of 1540532353 is 3532350451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1463215504 + 77316849 = 38252^2 + 8793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1540532353 - 2⁹ = 1540531841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1540532363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770266176 + 770266177.

It is an arithmetic number, because the mean of its divisors is an integer number (770266177).

Almost surely, 2^1540532353 is an apocalyptic number.

It is an amenable number.

1540532353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540532353 is an equidigital number, since it uses as much as digits as its factorization.

1540532353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 1540532353 is about 39249.6159599046. The cubic root of 1540532353 is about 1154.9334002064.

The spelling of 1540532353 in words is "one billion, five hundred forty million, five hundred thirty-two thousand, three hundred fifty-three".