304635013 has 2 divisors, whose sum is σ = 304635014. Its totient is φ = 304635012.

The previous prime is 304635007. The next prime is 304635073. The reversal of 304635013 is 310536403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297838564 + 6796449 = 17258^2 + 2607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304635013 is a prime.

It is a super-2 number, since 2×304635013² = 185604982291020338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304635073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152317506 + 152317507.

It is an arithmetic number, because the mean of its divisors is an integer number (152317507).

Almost surely, 2^304635013 is an apocalyptic number.

It is an amenable number.

304635013 is a deficient number, since it is larger than the sum of its proper divisors (1).

304635013 is an equidigital number, since it uses as much as digits as its factorization.

304635013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 304635013 is about 17453.7965211011. The cubic root of 304635013 is about 672.8629351562.

The spelling of 304635013 in words is "three hundred four million, six hundred thirty-five thousand, thirteen".