2516513 has 2 divisors, whose sum is σ = 2516514. Its totient is φ = 2516512.

The previous prime is 2516497. The next prime is 2516543. The reversal of 2516513 is 3156152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2486929 + 29584 = 1577^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516513 - 2⁴ = 2516497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2516543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258256 + 1258257.

It is an arithmetic number, because the mean of its divisors is an integer number (1258257).

2^2516513 is an apocalyptic number.

It is an amenable number.

2516513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516513 is an equidigital number, since it uses as much as digits as its factorization.

2516513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 23.

The square root of 2516513 is about 1586.3521046729. The cubic root of 2516513 is about 136.0190464962.

The spelling of 2516513 in words is "two million, five hundred sixteen thousand, five hundred thirteen".