609493 has 4 divisors (see below), whose sum is σ = 630540. Its totient is φ = 588448.

The previous prime is 609487. The next prime is 609503. The reversal of 609493 is 394906.

609493 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 an emirpimes, since its reverse is a distinct semiprime: 394906 = 2 ⋅197453.

It can be written as a sum of positive squares in 2 ways, for example, as 101124 + 508369 = 318^2 + 713^2 .

It is a cyclic number.

It is not a de Polignac number, because 609493 - 2⁵ = 609461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609403) 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, 10480 + ... + 10537.

It is an arithmetic number, because the mean of its divisors is an integer number (157635).

2⁶⁰⁹⁴⁹³ is an apocalyptic number.

It is an amenable number.

609493 is a deficient number, since it is larger than the sum of its proper divisors (21047).

609493 is a wasteful number, since it uses less digits than its factorization.

609493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21046.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 609493 is about 780.7003266299. The cubic root of 609493 is about 84.7857580360.

The spelling of 609493 in words is "six hundred nine thousand, four hundred ninety-three".