605493 has 18 divisors (see below), whose sum is σ = 1018134. Its totient is φ = 345744.

The previous prime is 605477. The next prime is 605497. The reversal of 605493 is 394506.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 603729 + 1764 = 777^2 + 42^2 .

It is not a de Polignac number, because 605493 - 2⁴ = 605477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605497) 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 17 ways as a sum of consecutive naturals, for example, 246 + ... + 1127.

It is an arithmetic number, because the mean of its divisors is an integer number (56563).

2⁶⁰⁵⁴⁹³ is an apocalyptic number.

605493 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

605493 is a deficient number, since it is larger than the sum of its proper divisors (412641).

605493 is a wasteful number, since it uses less digits than its factorization.

605493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 605493 is about 778.1343071733. The cubic root of 605493 is about 84.5998725750.

Subtracting from 605493 its product of nonzero digits (3240), we obtain a triangular number (602253 = T₁₀₉₇).

Adding to 605493 its reverse (394506), we get a palindrome (999999).

The spelling of 605493 in words is "six hundred five thousand, four hundred ninety-three".