2651717 has 2 divisors, whose sum is σ = 2651718. Its totient is φ = 2651716.

The previous prime is 2651713. The next prime is 2651729. The reversal of 2651717 is 7171562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1515361 + 1136356 = 1231^2 + 1066^2 .

It is a cyclic number.

It is not a de Polignac number, because 2651717 - 2² = 2651713 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2651717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2651713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325858 + 1325859.

It is an arithmetic number, because the mean of its divisors is an integer number (1325859).

2^2651717 is an apocalyptic number.

It is an amenable number.

2651717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651717 is an equidigital number, since it uses as much as digits as its factorization.

2651717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940, while the sum is 29.

The square root of 2651717 is about 1628.4093465711. The cubic root of 2651717 is about 138.4126311046.

The spelling of 2651717 in words is "two million, six hundred fifty-one thousand, seven hundred seventeen".