230549 has 4 divisors (see below), whose sum is σ = 251520. Its totient is φ = 209580.

The previous prime is 230539. The next prime is 230551. The reversal of 230549 is 945032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230549 - 2¹² = 226453 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230539) 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, 10469 + ... + 10490.

It is an arithmetic number, because the mean of its divisors is an integer number (62880).

2²³⁰⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

230549 is a deficient number, since it is larger than the sum of its proper divisors (20971).

230549 is a wasteful number, since it uses less digits than its factorization.

230549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20970.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 230549 is about 480.1551832481. The cubic root of 230549 is about 61.3179670337.

The spelling of 230549 in words is "two hundred thirty thousand, five hundred forty-nine".