516328145 has 4 divisors (see below), whose sum is σ = 619593780. Its totient is φ = 413062512.

The previous prime is 516328139. The next prime is 516328201. The reversal of 516328145 is 541823615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 214124689 + 302203456 = 14633^2 + 17384^2 .

It is a cyclic number.

It is not a de Polignac number, because 516328145 - 2¹⁰ = 516327121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51632810 + ... + 51632819.

It is an arithmetic number, because the mean of its divisors is an integer number (154898445).

Almost surely, 2^516328145 is an apocalyptic number.

It is an amenable number.

516328145 is a deficient number, since it is larger than the sum of its proper divisors (103265635).

516328145 is a wasteful number, since it uses less digits than its factorization.

516328145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103265634.

The product of its digits is 28800, while the sum is 35.

The square root of 516328145 is about 22722.8551243016. The cubic root of 516328145 is about 802.2479198418.

The spelling of 516328145 in words is "five hundred sixteen million, three hundred twenty-eight thousand, one hundred forty-five".