516899 has 4 divisors (see below), whose sum is σ = 525720. Its totient is φ = 508080.

The previous prime is 516883. The next prime is 516907. The reversal of 516899 is 998615.

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

It is a cyclic number.

It is not a de Polignac number, because 516899 - 2⁴ = 516883 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4322 + ... + 4439.

It is an arithmetic number, because the mean of its divisors is an integer number (131430).

2⁵¹⁶⁸⁹⁹ is an apocalyptic number.

516899 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

516899 is a deficient number, since it is larger than the sum of its proper divisors (8821).

516899 is an equidigital number, since it uses as much as digits as its factorization.

516899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8820.

The product of its digits is 19440, while the sum is 38.

The square root of 516899 is about 718.9568832691. The cubic root of 516899 is about 80.2543467397.

The spelling of 516899 in words is "five hundred sixteen thousand, eight hundred ninety-nine".