1315555583 has 2 divisors, whose sum is σ = 1315555584. Its totient is φ = 1315555582.

The previous prime is 1315555543. The next prime is 1315555597. The reversal of 1315555583 is 3855555131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315555583 - 2⁸ = 1315555327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315555583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315555543) 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, 657777791 + 657777792.

It is an arithmetic number, because the mean of its divisors is an integer number (657777792).

Almost surely, 2^1315555583 is an apocalyptic number.

1315555583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315555583 is an equidigital number, since it uses as much as digits as its factorization.

1315555583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225000, while the sum is 41.

The square root of 1315555583 is about 36270.5884016237. The cubic root of 1315555583 is about 1095.7287762698.

The spelling of 1315555583 in words is "one billion, three hundred fifteen million, five hundred fifty-five thousand, five hundred eighty-three".