516005605 has 8 divisors (see below), whose sum is σ = 626667552. Its totient is φ = 407830608.

The previous prime is 516005593. The next prime is 516005653. The reversal of 516005605 is 506500615.

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 516005605 - 2¹⁵ = 515972837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 621279 + ... + 622108.

It is an arithmetic number, because the mean of its divisors is an integer number (78333444).

Almost surely, 2^516005605 is an apocalyptic number.

It is an amenable number.

516005605 is a deficient number, since it is larger than the sum of its proper divisors (110661947).

516005605 is a wasteful number, since it uses less digits than its factorization.

516005605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243475.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 516005605 is about 22715.7567560493. The cubic root of 516005605 is about 802.0808355658.

The spelling of 516005605 in words is "five hundred sixteen million, five thousand, six hundred five".