1716534397 has 2 divisors, whose sum is σ = 1716534398. Its totient is φ = 1716534396.

The previous prime is 1716534343. The next prime is 1716534403. The reversal of 1716534397 is 7934356171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1658607076 + 57927321 = 40726^2 + 7611^2 .

It is a cyclic number.

It is not a de Polignac number, because 1716534397 - 2²⁷ = 1582316669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1716532397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858267198 + 858267199.

It is an arithmetic number, because the mean of its divisors is an integer number (858267199).

Almost surely, 2^1716534397 is an apocalyptic number.

It is an amenable number.

1716534397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1716534397 is an equidigital number, since it uses as much as digits as its factorization.

1716534397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 46.

The square root of 1716534397 is about 41431.0800848831. The cubic root of 1716534397 is about 1197.3400334028.

The spelling of 1716534397 in words is "one billion, seven hundred sixteen million, five hundred thirty-four thousand, three hundred ninety-seven".