516343229 has 2 divisors, whose sum is σ = 516343230. Its totient is φ = 516343228.

The previous prime is 516343213. The next prime is 516343241. The reversal of 516343229 is 922343615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501312100 + 15031129 = 22390^2 + 3877^2 .

It is a cyclic number.

It is not a de Polignac number, because 516343229 - 2⁴ = 516343213 is a prime.

It is a super-2 number, since 2×516343229² = 533220660268292882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516340229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258171614 + 258171615.

It is an arithmetic number, because the mean of its divisors is an integer number (258171615).

Almost surely, 2^516343229 is an apocalyptic number.

It is an amenable number.

516343229 is a deficient number, since it is larger than the sum of its proper divisors (1).

516343229 is an equidigital number, since it uses as much as digits as its factorization.

516343229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 516343229 is about 22723.1870343929. The cubic root of 516343229 is about 802.2557320506.

The spelling of 516343229 in words is "five hundred sixteen million, three hundred forty-three thousand, two hundred twenty-nine".