516465 has 24 divisors (see below), whose sum is σ = 936000. Its totient is φ = 262944.

The previous prime is 516457. The next prime is 516469. The reversal of 516465 is 564615.

It is a happy number.

It is not a de Polignac number, because 516465 - 2³ = 516457 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (516469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 786 + ... + 1284.

It is an arithmetic number, because the mean of its divisors is an integer number (39000).

2⁵¹⁶⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

516465 is a deficient number, since it is larger than the sum of its proper divisors (419535).

516465 is a wasteful number, since it uses less digits than its factorization.

516465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 530 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 516465 is about 718.6549937209. The cubic root of 516465 is about 80.2318793337.

The spelling of 516465 in words is "five hundred sixteen thousand, four hundred sixty-five".