516955069 has 2 divisors, whose sum is σ = 516955070. Its totient is φ = 516955068.

The previous prime is 516955031. The next prime is 516955079. The reversal of 516955069 is 960559615.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420660100 + 96294969 = 20510^2 + 9813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516955069 is a prime.

It is a super-2 number, since 2×516955069² = 534485086729589522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516955079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258477534 + 258477535.

It is an arithmetic number, because the mean of its divisors is an integer number (258477535).

Almost surely, 2^516955069 is an apocalyptic number.

It is an amenable number.

516955069 is a deficient number, since it is larger than the sum of its proper divisors (1).

516955069 is an equidigital number, since it uses as much as digits as its factorization.

516955069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 364500, while the sum is 46.

The square root of 516955069 is about 22736.6459487762. The cubic root of 516955069 is about 802.5724841442.

The spelling of 516955069 in words is "five hundred sixteen million, nine hundred fifty-five thousand, sixty-nine".