618241 has 8 divisors (see below), whose sum is σ = 701120. Its totient is φ = 540432.

The previous prime is 618229. The next prime is 618253. The reversal of 618241 is 142816.

It is an interprime number because it is at equal distance from previous prime (618229) and next prime (618253).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-618241 is a prime.

It is a Duffinian number.

618241 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (618271) 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, 1005 + ... + 1498.

It is an arithmetic number, because the mean of its divisors is an integer number (87640).

2⁶¹⁸²⁴¹ is an apocalyptic number.

It is an amenable number.

618241 is a deficient number, since it is larger than the sum of its proper divisors (82879).

618241 is a wasteful number, since it uses less digits than its factorization.

618241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535.

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

The square root of 618241 is about 786.2830279232. The cubic root of 618241 is about 85.1894735245.

The spelling of 618241 in words is "six hundred eighteen thousand, two hundred forty-one".