516965 has 4 divisors (see below), whose sum is σ = 620364. Its totient is φ = 413568.

The previous prime is 516959. The next prime is 516973. The reversal of 516965 is 569615.

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 187489 + 329476 = 433^2 + 574^2 .

It is a cyclic number.

It is not a de Polignac number, because 516965 - 2⁴ = 516949 is a prime.

It is a super-2 number, since 2×516965² = 534505622450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 516965.

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, 51692 + ... + 51701.

It is an arithmetic number, because the mean of its divisors is an integer number (155091).

2⁵¹⁶⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

516965 is a deficient number, since it is larger than the sum of its proper divisors (103399).

516965 is a wasteful number, since it uses less digits than its factorization.

516965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103398.

The product of its digits is 8100, while the sum is 32.

The square root of 516965 is about 719.0027816358. The cubic root of 516965 is about 80.2577623402.

Subtracting 516965 from its reverse (569615), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 516965 in words is "five hundred sixteen thousand, nine hundred sixty-five".