516404419 has 2 divisors, whose sum is σ = 516404420. Its totient is φ = 516404418.

The previous prime is 516404381. The next prime is 516404453. The reversal of 516404419 is 914404615.

It is a happy number.

It is an a-pointer prime, because the next prime (516404453) can be obtained adding 516404419 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516404419 - 2²⁵ = 482849987 is a prime.

It is a super-2 number, since 2×516404419² = 533347047925455122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (516404219) 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, 258202209 + 258202210.

It is an arithmetic number, because the mean of its divisors is an integer number (258202210).

Almost surely, 2^516404419 is an apocalyptic number.

516404419 is a deficient number, since it is larger than the sum of its proper divisors (1).

516404419 is an equidigital number, since it uses as much as digits as its factorization.

516404419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 516404419 is about 22724.5334165523. The cubic root of 516404419 is about 802.2874216235.

The spelling of 516404419 in words is "five hundred sixteen million, four hundred four thousand, four hundred nineteen".