304013 has 2 divisors, whose sum is σ = 304014. Its totient is φ = 304012.

The previous prime is 304009. The next prime is 304021. The reversal of 304013 is 310403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209764 + 94249 = 458^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 304013 - 2² = 304009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 303985 and 304003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152006 + 152007.

It is an arithmetic number, because the mean of its divisors is an integer number (152007).

2³⁰⁴⁰¹³ is an apocalyptic number.

It is an amenable number.

304013 is a deficient number, since it is larger than the sum of its proper divisors (1).

304013 is an equidigital number, since it uses as much as digits as its factorization.

304013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 304013 is about 551.3737389466. The cubic root of 304013 is about 67.2404665802.

Adding to 304013 its reverse (310403), we get a palindrome (614416).

The spelling of 304013 in words is "three hundred four thousand, thirteen".