516345305 has 8 divisors (see below), whose sum is σ = 708130752. Its totient is φ = 354065328.

The previous prime is 516345289. The next prime is 516345341. The reversal of 516345305 is 503543615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516345305 - 2⁴ = 516345289 is a prime.

It is a super-2 number, since 2×516345305² = 533224947991086050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7376327 + ... + 7376396.

It is an arithmetic number, because the mean of its divisors is an integer number (88516344).

Almost surely, 2^516345305 is an apocalyptic number.

It is an amenable number.

516345305 is a deficient number, since it is larger than the sum of its proper divisors (191785447).

516345305 is a wasteful number, since it uses less digits than its factorization.

516345305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14752735.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 516345305 is about 22723.2327145589. The cubic root of 516345305 is about 802.2568072273.

The spelling of 516345305 in words is "five hundred sixteen million, three hundred forty-five thousand, three hundred five".