658243 has 4 divisors (see below), whose sum is σ = 660960. Its totient is φ = 655528.

The previous prime is 658219. The next prime is 658247. The reversal of 658243 is 342856.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 658243 - 2⁵ = 658211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (658247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955 + ... + 1492.

It is an arithmetic number, because the mean of its divisors is an integer number (165240).

2⁶⁵⁸²⁴³ is an apocalyptic number.

658243 is a deficient number, since it is larger than the sum of its proper divisors (2717).

658243 is a wasteful number, since it uses less digits than its factorization.

658243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716.

The product of its digits is 5760, while the sum is 28.

The square root of 658243 is about 811.3217610788. The cubic root of 658243 is about 86.9885482791.

The spelling of 658243 in words is "six hundred fifty-eight thousand, two hundred forty-three".