241985 has 4 divisors (see below), whose sum is σ = 290388. Its totient is φ = 193584.

The previous prime is 241981. The next prime is 241993. The reversal of 241985 is 589142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 142129 + 99856 = 377^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 241985 - 2² = 241981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 241985.

It is not an unprimeable number, because it can be changed into a prime (241981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24194 + ... + 24203.

It is an arithmetic number, because the mean of its divisors is an integer number (72597).

2²⁴¹⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

241985 is a deficient number, since it is larger than the sum of its proper divisors (48403).

241985 is an equidigital number, since it uses as much as digits as its factorization.

241985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48402.

The product of its digits is 2880, while the sum is 29.

The square root of 241985 is about 491.9197088957. The cubic root of 241985 is about 62.3155092800.

The spelling of 241985 in words is "two hundred forty-one thousand, nine hundred eighty-five".