516546 has 12 divisors (see below), whose sum is σ = 1119222. Its totient is φ = 172176.

The previous prime is 516541. The next prime is 516563. The reversal of 516546 is 645615.

It is a happy number.

516546 is a `hidden beast` number, since 5 + 1 + 654 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 505521 + 11025 = 711^2 + 105^2 .

It is a nialpdrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 516546.

It is not an unprimeable number, because it can be changed into a prime (516541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14331 + ... + 14366.

2⁵¹⁶⁵⁴⁶ is an apocalyptic number.

516546 is an abundant number, since it is smaller than the sum of its proper divisors (602676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516546 is a wasteful number, since it uses less digits than its factorization.

516546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28705 (or 28702 counting only the distinct ones).

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

The square root of 516546 is about 718.7113467867. The cubic root of 516546 is about 80.2360735143.

The spelling of 516546 in words is "five hundred sixteen thousand, five hundred forty-six".