515716073 has 2 divisors, whose sum is σ = 515716074. Its totient is φ = 515716072.

The previous prime is 515716057. The next prime is 515716111. The reversal of 515716073 is 370617515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499611904 + 16104169 = 22352^2 + 4013^2 .

It is a cyclic number.

It is not a de Polignac number, because 515716073 - 2⁴ = 515716057 is a prime.

It is not a weakly prime, because it can be changed into another prime (515716043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257858036 + 257858037.

It is an arithmetic number, because the mean of its divisors is an integer number (257858037).

Almost surely, 2^515716073 is an apocalyptic number.

It is an amenable number.

515716073 is a deficient number, since it is larger than the sum of its proper divisors (1).

515716073 is an equidigital number, since it uses as much as digits as its factorization.

515716073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 515716073 is about 22709.3829286487. The cubic root of 515716073 is about 801.9307909963.

The spelling of 515716073 in words is "five hundred fifteen million, seven hundred sixteen thousand, seventy-three".