605345 has 16 divisors (see below), whose sum is σ = 799680. Its totient is φ = 437184.

The previous prime is 605333. The next prime is 605347. The reversal of 605345 is 543506.

It is a cyclic number.

It is not a de Polignac number, because 605345 - 2⁴ = 605329 is a prime.

It is an Ulam number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 605345.

It is not an unprimeable number, because it can be changed into a prime (605347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4286 + ... + 4424.

It is an arithmetic number, because the mean of its divisors is an integer number (49980).

2⁶⁰⁵³⁴⁵ is an apocalyptic number.

605345 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

605345 is a deficient number, since it is larger than the sum of its proper divisors (194335).

605345 is a wasteful number, since it uses less digits than its factorization.

605345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 605345 is about 778.0392020972. The cubic root of 605345 is about 84.5929791281.

The spelling of 605345 in words is "six hundred five thousand, three hundred forty-five".