605513 has 4 divisors (see below), whose sum is σ = 611280. Its totient is φ = 599748.

The previous prime is 605509. The next prime is 605531. The reversal of 605513 is 315506.

605513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 605513 - 2² = 605509 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 605513.

It is not an unprimeable number, because it can be changed into a prime (605503) 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, 2723 + ... + 2936.

It is an arithmetic number, because the mean of its divisors is an integer number (152820).

2⁶⁰⁵⁵¹³ is an apocalyptic number.

It is an amenable number.

605513 is a deficient number, since it is larger than the sum of its proper divisors (5767).

605513 is a wasteful number, since it uses less digits than its factorization.

605513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 605513 is about 778.1471583190. The cubic root of 605513 is about 84.6008040357.

The spelling of 605513 in words is "six hundred five thousand, five hundred thirteen".