506999 has 2 divisors, whose sum is σ = 507000. Its totient is φ = 506998.

The previous prime is 506993. The next prime is 507029. The reversal of 506999 is 999605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506999 - 2⁴ = 506983 is a prime.

It is a Chen prime.

506999 is a modest number, since divided by 999 gives 506 as remainder.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253499 + 253500.

It is an arithmetic number, because the mean of its divisors is an integer number (253500).

2⁵⁰⁶⁹⁹⁹ is an apocalyptic number.

506999 is a deficient number, since it is larger than the sum of its proper divisors (1).

506999 is an equidigital number, since it uses as much as digits as its factorization.

506999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 506999 is about 712.0386225480. The cubic root of 506999 is about 79.7386785683.

The spelling of 506999 in words is "five hundred six thousand, nine hundred ninety-nine".