516844117 has 4 divisors (see below), whose sum is σ = 520562560. Its totient is φ = 513125676.

The previous prime is 516844103. The next prime is 516844123. The reversal of 516844117 is 711448615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 516844117 - 2¹⁹ = 516319829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516844127) 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 in 3 ways as a sum of consecutive naturals, for example, 1859013 + ... + 1859290.

It is an arithmetic number, because the mean of its divisors is an integer number (130140640).

Almost surely, 2^516844117 is an apocalyptic number.

It is an amenable number.

516844117 is a deficient number, since it is larger than the sum of its proper divisors (3718443).

516844117 is a wasteful number, since it uses less digits than its factorization.

516844117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718442.

The product of its digits is 26880, while the sum is 37.

The square root of 516844117 is about 22734.2058801270. The cubic root of 516844117 is about 802.5150623946.

It can be divided in two parts, 516844 and 117, that added together give a square (516961 = 719²).

The spelling of 516844117 in words is "five hundred sixteen million, eight hundred forty-four thousand, one hundred seventeen".