516999 has 12 divisors (see below), whose sum is σ = 802104. Its totient is φ = 295344.

The previous prime is 516991. The next prime is 517003. The reversal of 516999 is 999615.

It is not a de Polignac number, because 516999 - 2³ = 516991 is a prime.

516999 is a modest number, since divided by 999 gives 516 as remainder.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1612 + ... + 1905.

It is an arithmetic number, because the mean of its divisors is an integer number (66842).

2⁵¹⁶⁹⁹⁹ is an apocalyptic number.

516999 is a deficient number, since it is larger than the sum of its proper divisors (285105).

516999 is a wasteful number, since it uses less digits than its factorization.

516999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534 (or 3527 counting only the distinct ones).

The product of its digits is 21870, while the sum is 39.

The square root of 516999 is about 719.0264251055. The cubic root of 516999 is about 80.2595217785.

The spelling of 516999 in words is "five hundred sixteen thousand, nine hundred ninety-nine".