5199987 has 16 divisors (see below), whose sum is σ = 7524608. Its totient is φ = 3175200.

The previous prime is 5199983. The next prime is 5200007. The reversal of 5199987 is 7899915.

It is not a de Polignac number, because 5199987 - 2² = 5199983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5199983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5448 + ... + 6330.

It is an arithmetic number, because the mean of its divisors is an integer number (470288).

Almost surely, 2^5199987 is an apocalyptic number.

5199987 is a deficient number, since it is larger than the sum of its proper divisors (2324621).

5199987 is a wasteful number, since it uses less digits than its factorization.

5199987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050.

The product of its digits is 204120, while the sum is 48.

The square root of 5199987 is about 2280.3479997579. The cubic root of 5199987 is about 173.2476766949.

The spelling of 5199987 in words is "five million, one hundred ninety-nine thousand, nine hundred eighty-seven".