1316635097 has 2 divisors, whose sum is σ = 1316635098. Its totient is φ = 1316635096.

The previous prime is 1316635079. The next prime is 1316635109. The reversal of 1316635097 is 7905366131.

Together with previous prime (1316635079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1243549696 + 73085401 = 35264^2 + 8549^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316635097 - 2⁸ = 1316634841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316635997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658317548 + 658317549.

It is an arithmetic number, because the mean of its divisors is an integer number (658317549).

Almost surely, 2^1316635097 is an apocalyptic number.

It is an amenable number.

1316635097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316635097 is an equidigital number, since it uses as much as digits as its factorization.

1316635097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 1316635097 is about 36285.4667463435. The cubic root of 1316635097 is about 1096.0284040914.

The spelling of 1316635097 in words is "one billion, three hundred sixteen million, six hundred thirty-five thousand, ninety-seven".