605755 has 4 divisors (see below), whose sum is σ = 726912. Its totient is φ = 484600.

The previous prime is 605719. The next prime is 605779. The reversal of 605755 is 557506.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557506 = 2 ⋅278753.

It is a de Polignac number, because none of the positive numbers 2^k-605755 is a prime.

It is a Duffinian number.

605755 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60571 + ... + 60580.

It is an arithmetic number, because the mean of its divisors is an integer number (181728).

2⁶⁰⁵⁷⁵⁵ is an apocalyptic number.

605755 is a deficient number, since it is larger than the sum of its proper divisors (121157).

605755 is a wasteful number, since it uses less digits than its factorization.

605755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121156.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 605755 is about 778.3026403656. The cubic root of 605755 is about 84.6120730851.

The spelling of 605755 in words is "six hundred five thousand, seven hundred fifty-five".