609243 has 8 divisors (see below), whose sum is σ = 838656. Its totient is φ = 393000.

The previous prime is 609241. The next prime is 609253. The reversal of 609243 is 342906.

609243 = 67² + 68² + ... + 128².

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

It is not a de Polignac number, because 609243 - 2¹ = 609241 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (609241) 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, 3183 + ... + 3368.

It is an arithmetic number, because the mean of its divisors is an integer number (104832).

2⁶⁰⁹²⁴³ is an apocalyptic number.

609243 is a deficient number, since it is larger than the sum of its proper divisors (229413).

609243 is a wasteful number, since it uses less digits than its factorization.

609243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 609243 is about 780.5401975555. The cubic root of 609243 is about 84.7741640619.

The spelling of 609243 in words is "six hundred nine thousand, two hundred forty-three".