2102717 has 2 divisors, whose sum is σ = 2102718. Its totient is φ = 2102716.

The previous prime is 2102693. The next prime is 2102741. The reversal of 2102717 is 7172012.

It is a balanced prime because it is at equal distance from previous prime (2102693) and next prime (2102741).

It can be written as a sum of positive squares in only one way, i.e., 1207801 + 894916 = 1099^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102717 - 2⁸ = 2102461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051358 + 1051359.

It is an arithmetic number, because the mean of its divisors is an integer number (1051359).

2^2102717 is an apocalyptic number.

It is an amenable number.

2102717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102717 is an equidigital number, since it uses as much as digits as its factorization.

2102717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 2102717 is about 1450.0748256556. The cubic root of 2102717 is about 128.1131202152.

Adding to 2102717 its reverse (7172012), we get a palindrome (9274729).

The spelling of 2102717 in words is "two million, one hundred two thousand, seven hundred seventeen".