2516917 has 12 divisors (see below), whose sum is σ = 2786724. Its totient is φ = 2271360.

The previous prime is 2516893. The next prime is 2516929. The reversal of 2516917 is 7196152.

It can be written as a sum of positive squares in 6 ways, for example, as 86436 + 2430481 = 294^2 + 1559^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2516917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8817 + ... + 9097.

It is an arithmetic number, because the mean of its divisors is an integer number (232227).

2^2516917 is an apocalyptic number.

It is an amenable number.

2516917 is a deficient number, since it is larger than the sum of its proper divisors (269807).

2516917 is a wasteful number, since it uses less digits than its factorization.

2516917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 347 counting only the distinct ones).

The product of its digits is 3780, while the sum is 31.

The square root of 2516917 is about 1586.4794357318. The cubic root of 2516917 is about 136.0263249214.

The spelling of 2516917 in words is "two million, five hundred sixteen thousand, nine hundred seventeen".