1316210462537 has 2 divisors, whose sum is σ = 1316210462538. Its totient is φ = 1316210462536.

The previous prime is 1316210462453. The next prime is 1316210462551. The reversal of 1316210462537 is 7352640126131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 868510299721 + 447700162816 = 931939^2 + 669104^2 .

It is an emirp because it is prime and its reverse (7352640126131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1316210462537 - 2¹⁰ = 1316210461513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1316210462494 and 1316210462503.

It is not a weakly prime, because it can be changed into another prime (1316210462737) 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, 658105231268 + 658105231269.

It is an arithmetic number, because the mean of its divisors is an integer number (658105231269).

Almost surely, 2^{1316210462537} is an apocalyptic number.

It is an amenable number.

1316210462537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316210462537 is an equidigital number, since it uses as much as digits as its factorization.

1316210462537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

Adding to 1316210462537 its reverse (7352640126131), we get a palindrome (8668850588668).

The spelling of 1316210462537 in words is "one trillion, three hundred sixteen billion, two hundred ten million, four hundred sixty-two thousand, five hundred thirty-seven".