1355325563 has 2 divisors, whose sum is σ = 1355325564. Its totient is φ = 1355325562.

The previous prime is 1355325541. The next prime is 1355325581. The reversal of 1355325563 is 3655235531.

It is a strong prime.

It is an emirp because it is prime and its reverse (3655235531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1355325563 - 2²² = 1351131259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1355325523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677662781 + 677662782.

It is an arithmetic number, because the mean of its divisors is an integer number (677662782).

Almost surely, 2^1355325563 is an apocalyptic number.

1355325563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355325563 is an equidigital number, since it uses as much as digits as its factorization.

1355325563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 202500, while the sum is 38.

The square root of 1355325563 is about 36814.7465426560. The cubic root of 1355325563 is about 1106.6608421433.

The spelling of 1355325563 in words is "one billion, three hundred fifty-five million, three hundred twenty-five thousand, five hundred sixty-three".