516890029 has 2 divisors, whose sum is σ = 516890030. Its totient is φ = 516890028.

The previous prime is 516890021. The next prime is 516890047. The reversal of 516890029 is 920098615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454116100 + 62773929 = 21310^2 + 7923^2 .

It is a cyclic number.

It is not a de Polignac number, because 516890029 - 2³ = 516890021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 516889973 and 516890000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516890021) 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, 258445014 + 258445015.

It is an arithmetic number, because the mean of its divisors is an integer number (258445015).

Almost surely, 2^516890029 is an apocalyptic number.

It is an amenable number.

516890029 is a deficient number, since it is larger than the sum of its proper divisors (1).

516890029 is an equidigital number, since it uses as much as digits as its factorization.

516890029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 516890029 is about 22735.2156136686. The cubic root of 516890029 is about 802.5388245435.

The spelling of 516890029 in words is "five hundred sixteen million, eight hundred ninety thousand, twenty-nine".