2516029987 has 2 divisors, whose sum is σ = 2516029988. Its totient is φ = 2516029986.

The previous prime is 2516029981. The next prime is 2516030047. The reversal of 2516029987 is 7899206152.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2516029987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2516029987.

It is not a weakly prime, because it can be changed into another prime (2516029981) 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, 1258014993 + 1258014994.

It is an arithmetic number, because the mean of its divisors is an integer number (1258014994).

Almost surely, 2^2516029987 is an apocalyptic number.

2516029987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516029987 is an equidigital number, since it uses as much as digits as its factorization.

2516029987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 2516029987 is about 50160.0437300447. The cubic root of 2516029987 is about 1360.1034355802.

The spelling of 2516029987 in words is "two billion, five hundred sixteen million, twenty-nine thousand, nine hundred eighty-seven".