1316759557 has 2 divisors, whose sum is σ = 1316759558. Its totient is φ = 1316759556.

The previous prime is 1316759491. The next prime is 1316759611. The reversal of 1316759557 is 7559576131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1084319041 + 232440516 = 32929^2 + 15246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316759557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1316759557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316759357) 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, 658379778 + 658379779.

It is an arithmetic number, because the mean of its divisors is an integer number (658379779).

Almost surely, 2^1316759557 is an apocalyptic number.

It is an amenable number.

1316759557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316759557 is an equidigital number, since it uses as much as digits as its factorization.

1316759557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 992250, while the sum is 49.

The square root of 1316759557 is about 36287.1817175156. The cubic root of 1316759557 is about 1096.0629384377.

The spelling of 1316759557 in words is "one billion, three hundred sixteen million, seven hundred fifty-nine thousand, five hundred fifty-seven".