648241 has 8 divisors (see below), whose sum is σ = 730368. Its totient is φ = 570000.

The previous prime is 648239. The next prime is 648257. The reversal of 648241 is 142846.

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 648241 - 2¹ = 648239 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (648211) 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, 610 + ... + 1291.

It is an arithmetic number, because the mean of its divisors is an integer number (91296).

2⁶⁴⁸²⁴¹ is an apocalyptic number.

It is an amenable number.

648241 is a deficient number, since it is larger than the sum of its proper divisors (82127).

648241 is a wasteful number, since it uses less digits than its factorization.

648241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943.

The product of its digits is 1536, while the sum is 25.

The square root of 648241 is about 805.1341503129. The cubic root of 648241 is about 86.5457007328.

The spelling of 648241 in words is "six hundred forty-eight thousand, two hundred forty-one".