306799013 has 2 divisors, whose sum is σ = 306799014. Its totient is φ = 306799012.

The previous prime is 306798991. The next prime is 306799043. The reversal of 306799013 is 310997603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305305729 + 1493284 = 17473^2 + 1222^2 .

It is a cyclic number.

It is not a de Polignac number, because 306799013 - 2²⁸ = 38363557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306799043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153399506 + 153399507.

It is an arithmetic number, because the mean of its divisors is an integer number (153399507).

Almost surely, 2^306799013 is an apocalyptic number.

It is an amenable number.

306799013 is a deficient number, since it is larger than the sum of its proper divisors (1).

306799013 is an equidigital number, since it uses as much as digits as its factorization.

306799013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 306799013 is about 17515.6790619148. The cubic root of 306799013 is about 674.4524232190.

The spelling of 306799013 in words is "three hundred six million, seven hundred ninety-nine thousand, thirteen".