305413013 has 2 divisors, whose sum is σ = 305413014. Its totient is φ = 305413012.

The previous prime is 305412997. The next prime is 305413033. The reversal of 305413013 is 310314503.

It is a happy number.

It is an a-pointer prime, because the next prime (305413033) can be obtained adding 305413013 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272316004 + 33097009 = 16502^2 + 5753^2 .

It is a cyclic number.

It is not a de Polignac number, because 305413013 - 2⁴ = 305412997 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 (305413033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152706506 + 152706507.

It is an arithmetic number, because the mean of its divisors is an integer number (152706507).

Almost surely, 2^305413013 is an apocalyptic number.

It is an amenable number.

305413013 is a deficient number, since it is larger than the sum of its proper divisors (1).

305413013 is an equidigital number, since it uses as much as digits as its factorization.

305413013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 305413013 is about 17476.0697240541. The cubic root of 305413013 is about 673.4352510226.

Adding to 305413013 its reverse (310314503), we get a palindrome (615727516).

The spelling of 305413013 in words is "three hundred five million, four hundred thirteen thousand, thirteen".