1327195717 has 2 divisors, whose sum is σ = 1327195718. Its totient is φ = 1327195716.

The previous prime is 1327195711. The next prime is 1327195757. The reversal of 1327195717 is 7175917231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1139670081 + 187525636 = 33759^2 + 13694^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327195717 - 2¹⁹ = 1326671429 is a prime.

It is a super-2 number, since 2×1327195717² = 3522896942446288178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1327195711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663597858 + 663597859.

It is an arithmetic number, because the mean of its divisors is an integer number (663597859).

Almost surely, 2^1327195717 is an apocalyptic number.

It is an amenable number.

1327195717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327195717 is an equidigital number, since it uses as much as digits as its factorization.

1327195717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92610, while the sum is 43.

The square root of 1327195717 is about 36430.6974542075. The cubic root of 1327195717 is about 1098.9509880850.

The spelling of 1327195717 in words is "one billion, three hundred twenty-seven million, one hundred ninety-five thousand, seven hundred seventeen".