241681 has 8 divisors (see below), whose sum is σ = 267264. Its totient is φ = 216720.

The previous prime is 241679. The next prime is 241687. The reversal of 241681 is 186142.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 241681 - 2¹ = 241679 is a prime.

It is a super-2 number, since 2×241681² = 116819411522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (33408).

2²⁴¹⁶⁸¹ is an apocalyptic number.

It is an amenable number.

241681 is a deficient number, since it is larger than the sum of its proper divisors (25583).

241681 is a wasteful number, since it uses less digits than its factorization.

241681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its digits is 384, while the sum is 22.

The square root of 241681 is about 491.6106182743. The cubic root of 241681 is about 62.2894031807.

The spelling of 241681 in words is "two hundred forty-one thousand, six hundred eighty-one".