1317000437 has 2 divisors, whose sum is σ = 1317000438. Its totient is φ = 1317000436.

The previous prime is 1317000383. The next prime is 1317000473. The reversal of 1317000437 is 7340007131.

Together with next prime (1317000473) 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., 923612881 + 393387556 = 30391^2 + 19834^2 .

It is an emirp because it is prime and its reverse (7340007131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317000437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317000337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658500218 + 658500219.

It is an arithmetic number, because the mean of its divisors is an integer number (658500219).

Almost surely, 2^1317000437 is an apocalyptic number.

It is an amenable number.

1317000437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317000437 is an equidigital number, since it uses as much as digits as its factorization.

1317000437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 1317000437 is about 36290.5006441080. The cubic root of 1317000437 is about 1096.1297700627.

Adding to 1317000437 its reverse (7340007131), we get a palindrome (8657007568).

The spelling of 1317000437 in words is "one billion, three hundred seventeen million, four hundred thirty-seven", and thus it is an aban number.