2087717 has 2 divisors, whose sum is σ = 2087718. Its totient is φ = 2087716.

The previous prime is 2087713. The next prime is 2087741. The reversal of 2087717 is 7177802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2076481 + 11236 = 1441^2 + 106^2 .

It is a cyclic number.

It is not a de Polignac number, because 2087717 - 2² = 2087713 is a prime.

It is a super-3 number, since 3×2087717³ = 27298333652996492439, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2087711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043858 + 1043859.

It is an arithmetic number, because the mean of its divisors is an integer number (1043859).

2^2087717 is an apocalyptic number.

It is an amenable number.

2087717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087717 is an equidigital number, since it uses as much as digits as its factorization.

2087717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5488, while the sum is 32.

The square root of 2087717 is about 1444.8934216751. The cubic root of 2087717 is about 127.8077558452.

The spelling of 2087717 in words is "two million, eighty-seven thousand, seven hundred seventeen".