2516299987 has 2 divisors, whose sum is σ = 2516299988. Its totient is φ = 2516299986.

The previous prime is 2516299969. The next prime is 2516299993. The reversal of 2516299987 is 7899926152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2516299987 - 2¹¹ = 2516297939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2516299967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258149993 + 1258149994.

It is an arithmetic number, because the mean of its divisors is an integer number (1258149994).

Almost surely, 2^2516299987 is an apocalyptic number.

2516299987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516299987 is an equidigital number, since it uses as much as digits as its factorization.

2516299987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 58.

The square root of 2516299987 is about 50162.7350430576. The cubic root of 2516299987 is about 1360.1520856088.

The spelling of 2516299987 in words is "two billion, five hundred sixteen million, two hundred ninety-nine thousand, nine hundred eighty-seven".