513216019 has 2 divisors, whose sum is σ = 513216020. Its totient is φ = 513216018.

The previous prime is 513215993. The next prime is 513216037. The reversal of 513216019 is 910612315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513216019 - 2¹¹ = 513213971 is a prime.

It is a super-2 number, since 2×513216019² = 526781364316416722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (513216059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256608009 + 256608010.

It is an arithmetic number, because the mean of its divisors is an integer number (256608010).

Almost surely, 2^513216019 is an apocalyptic number.

513216019 is a deficient number, since it is larger than the sum of its proper divisors (1).

513216019 is an equidigital number, since it uses as much as digits as its factorization.

513216019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 513216019 is about 22654.2715398222. The cubic root of 513216019 is about 800.6328424851.

The spelling of 513216019 in words is "five hundred thirteen million, two hundred sixteen thousand, nineteen".