2499052987 has 4 divisors (see below), whose sum is σ = 2507946696. Its totient is φ = 2490159280.

The previous prime is 2499052981. The next prime is 2499052991. The reversal of 2499052987 is 7892509942.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2499052987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2499052981) 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 in 3 ways as a sum of consecutive naturals, for example, 4446433 + ... + 4446994.

It is an arithmetic number, because the mean of its divisors is an integer number (626986674).

Almost surely, 2^2499052987 is an apocalyptic number.

2499052987 is a deficient number, since it is larger than the sum of its proper divisors (8893709).

2499052987 is an equidigital number, since it uses as much as digits as its factorization.

2499052987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893708.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 2499052987 is about 49990.5289729965. The cubic root of 2499052987 is about 1357.0374140693.

It can be divided in two parts, 24990 and 52987, that added together give a palindrome (77977).

The spelling of 2499052987 in words is "two billion, four hundred ninety-nine million, fifty-two thousand, nine hundred eighty-seven".