516430093 has 4 divisors (see below), whose sum is σ = 516475548. Its totient is φ = 516384640.

The previous prime is 516430091. The next prime is 516430111. The reversal of 516430093 is 390034615.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 272976484 + 243453609 = 16522^2 + 15603^2 .

It is a cyclic number.

It is not a de Polignac number, because 516430093 - 2¹ = 516430091 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 (516430091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10923 + ... + 33943.

It is an arithmetic number, because the mean of its divisors is an integer number (129118887).

Almost surely, 2^516430093 is an apocalyptic number.

It is an amenable number.

516430093 is a deficient number, since it is larger than the sum of its proper divisors (45455).

516430093 is a wasteful number, since it uses less digits than its factorization.

516430093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45454.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 516430093 is about 22725.0983056180. The cubic root of 516430093 is about 802.3007171371.

The spelling of 516430093 in words is "five hundred sixteen million, four hundred thirty thousand, ninety-three".