305041 has 6 divisors (see below), whose sum is σ = 335426. Its totient is φ = 277200.

The previous prime is 305033. The next prime is 305047. The reversal of 305041 is 140503.

It can be written as a sum of positive squares in only one way, i.e., 156816 + 148225 = 396^2 + 385^2 .

It is not a de Polignac number, because 305041 - 2³ = 305033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1140 + ... + 1381.

2³⁰⁵⁰⁴¹ is an apocalyptic number.

It is an amenable number.

305041 is a deficient number, since it is larger than the sum of its proper divisors (30385).

305041 is a wasteful number, since it uses less digits than its factorization.

305041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543 (or 2532 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 305041 is about 552.3051692679. The cubic root of 305041 is about 67.3161710554.

Adding to 305041 its reverse (140503), we get a palindrome (445544).

The spelling of 305041 in words is "three hundred five thousand, forty-one".