2516605313 has 2 divisors, whose sum is σ = 2516605314. Its totient is φ = 2516605312.

The previous prime is 2516605249. The next prime is 2516605337. The reversal of 2516605313 is 3135066152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2510811664 + 5793649 = 50108^2 + 2407^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516605313 - 2⁶ = 2516605249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2516605313.

It is not a weakly prime, because it can be changed into another prime (2516605393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258302656 + 1258302657.

It is an arithmetic number, because the mean of its divisors is an integer number (1258302657).

Almost surely, 2^2516605313 is an apocalyptic number.

It is an amenable number.

2516605313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516605313 is an equidigital number, since it uses as much as digits as its factorization.

2516605313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 2516605313 is about 50165.7783055341. The cubic root of 2516605313 is about 1360.2070966702.

The spelling of 2516605313 in words is "two billion, five hundred sixteen million, six hundred five thousand, three hundred thirteen".