605381 has 8 divisors (see below), whose sum is σ = 696960. Its totient is φ = 515088.

The previous prime is 605369. The next prime is 605393. The reversal of 605381 is 183506.

605381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (605369) and next prime (605393).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 605381 - 2¹⁸ = 343237 is a prime.

It is a super-2 number, since 2×605381² = 732972310322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160 + ... + 1598.

It is an arithmetic number, because the mean of its divisors is an integer number (87120).

2⁶⁰⁵³⁸¹ is an apocalyptic number.

It is an amenable number.

605381 is a deficient number, since it is larger than the sum of its proper divisors (91579).

605381 is a wasteful number, since it uses less digits than its factorization.

605381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 605381 is about 778.0623368343. The cubic root of 605381 is about 84.5946560159.

Adding to 605381 its reverse (183506), we get a palindrome (788887).

Subtracting from 605381 its reverse (183506), we obtain a cube (421875 = 75³).

The spelling of 605381 in words is "six hundred five thousand, three hundred eighty-one".