304003013 has 2 divisors, whose sum is σ = 304003014. Its totient is φ = 304003012.

The previous prime is 304002977. The next prime is 304003033. The reversal of 304003013 is 310300403.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179613604 + 124389409 = 13402^2 + 11153^2 .

It is a cyclic number.

It is not a de Polignac number, because 304003013 - 2¹⁸ = 303740869 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304003033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152001506 + 152001507.

It is an arithmetic number, because the mean of its divisors is an integer number (152001507).

Almost surely, 2^304003013 is an apocalyptic number.

It is an amenable number.

304003013 is a deficient number, since it is larger than the sum of its proper divisors (1).

304003013 is an equidigital number, since it uses as much as digits as its factorization.

304003013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 304003013 is about 17435.6821776494. The cubic root of 304003013 is about 672.3973027630.

Adding to 304003013 its reverse (310300403), we get a palindrome (614303416).

The spelling of 304003013 in words is "three hundred four million, three thousand, thirteen".