513606 has 8 divisors (see below), whose sum is σ = 1027224. Its totient is φ = 171200.

The previous prime is 513593. The next prime is 513631. The reversal of 513606 is 606315.

It is a sphenic number, since it is the product of 3 distinct primes.

513606 is an admirable number.

It is a super-2 number, since 2×513606² = 527582246472, which contains 22 as substring.

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 513606.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42795 + ... + 42806.

It is an arithmetic number, because the mean of its divisors is an integer number (128403).

2⁵¹³⁶⁰⁶ is an apocalyptic number.

513606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

513606 is a wasteful number, since it uses less digits than its factorization.

513606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85606.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 513606 is about 716.6631007663. The cubic root of 513606 is about 80.0835585276.

The spelling of 513606 in words is "five hundred thirteen thousand, six hundred six".