2516212757 has 2 divisors, whose sum is σ = 2516212758. Its totient is φ = 2516212756.

The previous prime is 2516212723. The next prime is 2516212771. The reversal of 2516212757 is 7572126152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2115172081 + 401040676 = 45991^2 + 20026^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516212757 - 2²⁶ = 2449103893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2516212757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2515212757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258106378 + 1258106379.

It is an arithmetic number, because the mean of its divisors is an integer number (1258106379).

Almost surely, 2^2516212757 is an apocalyptic number.

It is an amenable number.

2516212757 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516212757 is an equidigital number, since it uses as much as digits as its factorization.

2516212757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 38.

The square root of 2516212757 is about 50161.8655653874. The cubic root of 2516212757 is about 1360.1363684264.

The spelling of 2516212757 in words is "two billion, five hundred sixteen million, two hundred twelve thousand, seven hundred fifty-seven".