515324219 has 2 divisors, whose sum is σ = 515324220. Its totient is φ = 515324218.

The previous prime is 515324207. The next prime is 515324221. The reversal of 515324219 is 912423515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 515324219 - 2¹² = 515320123 is a prime.

It is a super-2 number, since 2×515324219² = 531118101375919922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 515324221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (515324239) 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, 257662109 + 257662110.

It is an arithmetic number, because the mean of its divisors is an integer number (257662110).

Almost surely, 2^515324219 is an apocalyptic number.

515324219 is a deficient number, since it is larger than the sum of its proper divisors (1).

515324219 is an equidigital number, since it uses as much as digits as its factorization.

515324219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 515324219 is about 22700.7537099542. The cubic root of 515324219 is about 801.7276304929.

The spelling of 515324219 in words is "five hundred fifteen million, three hundred twenty-four thousand, two hundred nineteen".