305234 has 4 divisors (see below), whose sum is σ = 457854. Its totient is φ = 152616.

The previous prime is 305231. The next prime is 305237. The reversal of 305234 is 432503.

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

It is an interprime number because it is at equal distance from previous prime (305231) and next prime (305237).

It can be written as a sum of positive squares in only one way, i.e., 180625 + 124609 = 425^2 + 353^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (305231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76307 + ... + 76310.

2³⁰⁵²³⁴ is an apocalyptic number.

305234 is a deficient number, since it is larger than the sum of its proper divisors (152620).

305234 is a wasteful number, since it uses less digits than its factorization.

305234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152619.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 305234 is about 552.4798638865. The cubic root of 305234 is about 67.3303650839.

Adding to 305234 its reverse (432503), we get a palindrome (737737).

The spelling of 305234 in words is "three hundred five thousand, two hundred thirty-four".