241309 has 8 divisors (see below), whose sum is σ = 255960. Its totient is φ = 227136.

The previous prime is 241303. The next prime is 241313. The reversal of 241309 is 903142.

It can be written as a sum of positive squares in 4 ways, for example, as 38809 + 202500 = 197^2 + 450^2 .

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 241309 - 2⁹ = 240797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (31995).

2²⁴¹³⁰⁹ is an apocalyptic number.

241309 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

241309 is a deficient number, since it is larger than the sum of its proper divisors (14651).

241309 is a wasteful number, since it uses less digits than its factorization.

241309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 241309 is about 491.2321243567. The cubic root of 241309 is about 62.2574277573.

The spelling of 241309 in words is "two hundred forty-one thousand, three hundred nine".