519368417 has 6 divisors (see below), whose sum is σ = 521947062. Its totient is φ = 516792992.

The previous prime is 519368407. The next prime is 519368419. The reversal of 519368417 is 714863915.

It can be written as a sum of positive squares in 3 ways, for example, as 192626641 + 326741776 = 13879^2 + 18076^2 .

It is a de Polignac number, because none of the positive numbers 2^k-519368417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (519368419) 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 in 5 ways as a sum of consecutive naturals, for example, 347123 + ... + 348615.

It is an arithmetic number, because the mean of its divisors is an integer number (86991177).

Almost surely, 2^519368417 is an apocalyptic number.

It is an amenable number.

519368417 is a deficient number, since it is larger than the sum of its proper divisors (2578645).

519368417 is an frugal number, since it uses more digits than its factorization.

519368417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219 (or 1726 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 519368417 is about 22789.6559210533. The cubic root of 519368417 is about 803.8194528917.

The spelling of 519368417 in words is "five hundred nineteen million, three hundred sixty-eight thousand, four hundred seventeen".