283013 has 4 divisors (see below), whose sum is σ = 290700. Its totient is φ = 275328.

The previous prime is 283009. The next prime is 283027. The reversal of 283013 is 310382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310382 = 2 ⋅155191.

It can be written as a sum of positive squares in 2 ways, for example, as 124609 + 158404 = 353^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 283013 - 2² = 283009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 282982 and 283000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3788 + ... + 3861.

It is an arithmetic number, because the mean of its divisors is an integer number (72675).

2²⁸³⁰¹³ is an apocalyptic number.

It is an amenable number.

283013 is a deficient number, since it is larger than the sum of its proper divisors (7687).

283013 is an equidigital number, since it uses as much as digits as its factorization.

283013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7686.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 283013 is about 531.9896615537. The cubic root of 283013 is about 65.6551495630.

Adding to 283013 its reverse (310382), we get a palindrome (593395).

The spelling of 283013 in words is "two hundred eighty-three thousand, thirteen".