530845813 has 2 divisors, whose sum is σ = 530845814. Its totient is φ = 530845812.

The previous prime is 530845781. The next prime is 530845817. The reversal of 530845813 is 318548035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277622244 + 253223569 = 16662^2 + 15913^2 .

It is a cyclic number.

It is not a de Polignac number, because 530845813 - 2⁵ = 530845781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530845817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265422906 + 265422907.

It is an arithmetic number, because the mean of its divisors is an integer number (265422907).

Almost surely, 2^530845813 is an apocalyptic number.

It is an amenable number.

530845813 is a deficient number, since it is larger than the sum of its proper divisors (1).

530845813 is an equidigital number, since it uses as much as digits as its factorization.

530845813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 530845813 is about 23040.0914277700. The cubic root of 530845813 is about 809.6975007207.

The spelling of 530845813 in words is "five hundred thirty million, eight hundred forty-five thousand, eight hundred thirteen".