276313 has 4 divisors (see below), whose sum is σ = 282240. Its totient is φ = 270388.

The previous prime is 276293. The next prime is 276319. The reversal of 276313 is 313672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2893 + ... + 2986.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2²⁷⁶³¹³ is an apocalyptic number.

It is an amenable number.

276313 is a deficient number, since it is larger than the sum of its proper divisors (5927).

276313 is an equidigital number, since it uses as much as digits as its factorization.

276313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5926.

The product of its digits is 756, while the sum is 22.

The square root of 276313 is about 525.6548297124. The cubic root of 276313 is about 65.1329036130.

Adding to 276313 its reverse (313672), we get a palindrome (589985).

The spelling of 276313 in words is "two hundred seventy-six thousand, three hundred thirteen".