516471719 has 2 divisors, whose sum is σ = 516471720. Its totient is φ = 516471718.

The previous prime is 516471707. The next prime is 516471721. The reversal of 516471719 is 917174615.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516471719 is a prime.

It is a super-2 number, since 2×516471719² = 533486073053629922, which contains 22 as substring.

Together with 516471721, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516471019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258235859 + 258235860.

It is an arithmetic number, because the mean of its divisors is an integer number (258235860).

Almost surely, 2^516471719 is an apocalyptic number.

516471719 is a deficient number, since it is larger than the sum of its proper divisors (1).

516471719 is an equidigital number, since it uses as much as digits as its factorization.

516471719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 41.

The square root of 516471719 is about 22726.0141467878. The cubic root of 516471719 is about 802.3222726021.

The spelling of 516471719 in words is "five hundred sixteen million, four hundred seventy-one thousand, seven hundred nineteen".