1316630057 has 2 divisors, whose sum is σ = 1316630058. Its totient is φ = 1316630056.

The previous prime is 1316630027. The next prime is 1316630113. The reversal of 1316630057 is 7500366131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819161641 + 497468416 = 28621^2 + 22304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316630057 - 2¹⁴ = 1316613673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316630027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658315028 + 658315029.

It is an arithmetic number, because the mean of its divisors is an integer number (658315029).

Almost surely, 2^1316630057 is an apocalyptic number.

It is an amenable number.

1316630057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316630057 is an equidigital number, since it uses as much as digits as its factorization.

1316630057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 1316630057 is about 36285.3972969844. The cubic root of 1316630057 is about 1096.0270055794.

Adding to 1316630057 its reverse (7500366131), we get a palindrome (8816996188).

The spelling of 1316630057 in words is "one billion, three hundred sixteen million, six hundred thirty thousand, fifty-seven".