516774233 has 2 divisors, whose sum is σ = 516774234. Its totient is φ = 516774232.

The previous prime is 516774197. The next prime is 516774257. The reversal of 516774233 is 332477615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452966089 + 63808144 = 21283^2 + 7988^2 .

It is a cyclic number.

It is not a de Polignac number, because 516774233 - 2²⁰ = 515725657 is a prime.

It is not a weakly prime, because it can be changed into another prime (516774133) 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, 258387116 + 258387117.

It is an arithmetic number, because the mean of its divisors is an integer number (258387117).

Almost surely, 2^516774233 is an apocalyptic number.

It is an amenable number.

516774233 is a deficient number, since it is larger than the sum of its proper divisors (1).

516774233 is an equidigital number, since it uses as much as digits as its factorization.

516774233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 516774233 is about 22732.6688490375. The cubic root of 516774233 is about 802.4788906304.

The spelling of 516774233 in words is "five hundred sixteen million, seven hundred seventy-four thousand, two hundred thirty-three".