199975 has 12 divisors (see below), whose sum is σ = 261640. Its totient is φ = 151200.

The previous prime is 199967. The next prime is 199999. The reversal of 199975 is 579991.

199975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 199975 - 2³ = 199967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265 + ... + 685.

2¹⁹⁹⁹⁷⁵ is an apocalyptic number.

199975 is a deficient number, since it is larger than the sum of its proper divisors (61665).

199975 is a wasteful number, since it uses less digits than its factorization.

199975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 445 counting only the distinct ones).

The product of its digits is 25515, while the sum is 40.

The square root of 199975 is about 447.1856437767. The cubic root of 199975 is about 58.4779179813.

It can be divided in two parts, 19997 and 5, that added together give a palindrome (20002).

The spelling of 199975 in words is "one hundred ninety-nine thousand, nine hundred seventy-five".