241999 has 4 divisors (see below), whose sum is σ = 243880. Its totient is φ = 240120.

The previous prime is 241993. The next prime is 242009. The reversal of 241999 is 999142.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999142 = 2 ⋅499571.

It is a cyclic number.

It is not a de Polignac number, because 241999 - 2¹⁷ = 110927 is a prime.

It is a Duffinian number.

241999 is a modest number, since divided by 999 gives 241 as remainder.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241993) 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, 732 + ... + 1009.

It is an arithmetic number, because the mean of its divisors is an integer number (60970).

2²⁴¹⁹⁹⁹ is an apocalyptic number.

241999 is a deficient number, since it is larger than the sum of its proper divisors (1881).

241999 is a wasteful number, since it uses less digits than its factorization.

241999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880.

The product of its digits is 5832, while the sum is 34.

The square root of 241999 is about 491.9339386544. The cubic root of 241999 is about 62.3167110078.

The spelling of 241999 in words is "two hundred forty-one thousand, nine hundred ninety-nine".