300681 has 6 divisors (see below), whose sum is σ = 434330. Its totient is φ = 200448.

The previous prime is 300673. The next prime is 300683. The reversal of 300681 is 186003.

It can be written as a sum of positive squares in only one way, i.e., 210681 + 90000 = 459^2 + 300^2 .

It is not a de Polignac number, because 300681 - 2³ = 300673 is a prime.

It is a super-2 number, since 2×300681² = 180818127522, which contains 22 as substring.

It is a Duffinian number.

300681 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 300681.

It is not an unprimeable number, because it can be changed into a prime (300683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16696 + ... + 16713.

2³⁰⁰⁶⁸¹ is an apocalyptic number.

It is an amenable number.

300681 is a deficient number, since it is larger than the sum of its proper divisors (133649).

300681 is a wasteful number, since it uses less digits than its factorization.

300681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33415 (or 33412 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 300681 is about 548.3438702128. The cubic root of 300681 is about 66.9939104884.

Adding to 300681 its reverse (186003), we get a palindrome (486684).

The spelling of 300681 in words is "three hundred thousand, six hundred eighty-one".