2560517 has 2 divisors, whose sum is σ = 2560518. Its totient is φ = 2560516.

The previous prime is 2560499. The next prime is 2560543. The reversal of 2560517 is 7150652.

It is an a-pointer prime, because the next prime (2560543) can be obtained adding 2560517 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2217121 + 343396 = 1489^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 2560517 - 2¹⁰ = 2559493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2560417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280258 + 1280259.

It is an arithmetic number, because the mean of its divisors is an integer number (1280259).

2^2560517 is an apocalyptic number.

It is an amenable number.

2560517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560517 is an equidigital number, since it uses as much as digits as its factorization.

2560517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2560517 is about 1600.1615543438. The cubic root of 2560517 is about 136.8072840472.

The spelling of 2560517 in words is "two million, five hundred sixty thousand, five hundred seventeen".