516771005 has 4 divisors (see below), whose sum is σ = 620125212. Its totient is φ = 413416800.

The previous prime is 516770999. The next prime is 516771007. The reversal of 516771005 is 500177615.

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 88322404 + 428448601 = 9398^2 + 20699^2 .

It is not a de Polignac number, because 516771005 - 2¹⁴ = 516754621 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 (516771007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51677096 + ... + 51677105.

It is an arithmetic number, because the mean of its divisors is an integer number (155031303).

Almost surely, 2^516771005 is an apocalyptic number.

It is an amenable number.

516771005 is a deficient number, since it is larger than the sum of its proper divisors (103354207).

516771005 is a wasteful number, since it uses less digits than its factorization.

516771005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103354206.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 516771005 is about 22732.5978497839. The cubic root of 516771005 is about 802.4772197478.

The spelling of 516771005 in words is "five hundred sixteen million, seven hundred seventy-one thousand, five".