1316044517 has 2 divisors, whose sum is σ = 1316044518. Its totient is φ = 1316044516.

The previous prime is 1316044507. The next prime is 1316044523. The reversal of 1316044517 is 7154406131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1260676036 + 55368481 = 35506^2 + 7441^2 .

It is an emirp because it is prime and its reverse (7154406131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1316044517 - 2³⁰ = 242302693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316044507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658022258 + 658022259.

It is an arithmetic number, because the mean of its divisors is an integer number (658022259).

Almost surely, 2^1316044517 is an apocalyptic number.

It is an amenable number.

1316044517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316044517 is an equidigital number, since it uses as much as digits as its factorization.

1316044517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1316044517 is about 36277.3278646595. The cubic root of 1316044517 is about 1095.8645041463.

The spelling of 1316044517 in words is "one billion, three hundred sixteen million, forty-four thousand, five hundred seventeen".