281701 has 6 divisors (see below), whose sum is σ = 327750. Its totient is φ = 241416.

The previous prime is 281683. The next prime is 281717. The reversal of 281701 is 107182.

It can be written as a sum of positive squares in only one way, i.e., 159201 + 122500 = 399^2 + 350^2 .

It is not a de Polignac number, because 281701 - 2⁵ = 281669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281761) 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, 2826 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (54625).

2²⁸¹⁷⁰¹ is an apocalyptic number.

It is an amenable number.

281701 is a deficient number, since it is larger than the sum of its proper divisors (46049).

281701 is an equidigital number, since it uses as much as digits as its factorization.

281701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763 (or 5756 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 281701 is about 530.7551224435. The cubic root of 281701 is about 65.5535370228.

Adding to 281701 its reverse (107182), we get a palindrome (388883).

The spelling of 281701 in words is "two hundred eighty-one thousand, seven hundred one".