35999 has 2 divisors, whose sum is σ = 36000.
Its totient is φ = 35998.
The previous prime is 35993. The next prime is 36007. The reversal of 35999 is 99953.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 35999 - 24 = 35983 is a prime.
It is a Sophie Germain prime.
35999 is a modest number, since divided by 999 gives 35 as remainder.
It is a plaindrome in base 10 and base 12.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (35993) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17999 + 18000.
It is an arithmetic number, because the mean of its divisors is an integer number (18000).
235999 is an apocalyptic number.
35999 is a deficient number, since it is larger than the sum of its proper divisors (1).
35999 is an equidigital number, since it uses as much as digits as its factorization.
35999 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 10935, while the sum is 35.
The square root of 35999 is about 189.7340243604.
The cubic root of 35999 is about 33.0189667521.
The spelling of 35999 in words is "thirty-five thousand, nine hundred ninety-nine".