1317400633 has 2 divisors, whose sum is σ = 1317400634. Its totient is φ = 1317400632.

The previous prime is 1317400621. The next prime is 1317400649. The reversal of 1317400633 is 3360047131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 984265129 + 333135504 = 31373^2 + 18252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317400633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1317400613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658700316 + 658700317.

It is an arithmetic number, because the mean of its divisors is an integer number (658700317).

Almost surely, 2^1317400633 is an apocalyptic number.

It is an amenable number.

1317400633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317400633 is an equidigital number, since it uses as much as digits as its factorization.

1317400633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 1317400633 is about 36296.0140098055. The cubic root of 1317400633 is about 1096.2407855472.

Adding to 1317400633 its reverse (3360047131), we get a palindrome (4677447764).

The spelling of 1317400633 in words is "one billion, three hundred seventeen million, four hundred thousand, six hundred thirty-three".