79313 has 4 divisors (see below), whose sum is σ = 85428. Its totient is φ = 73200.

The previous prime is 79309. The next prime is 79319. The reversal of 79313 is 31397.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29584 + 49729 = 172^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 79313 - 2² = 79309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79319) 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, 3038 + ... + 3063.

It is an arithmetic number, because the mean of its divisors is an integer number (21357).

2⁷⁹³¹³ is an apocalyptic number.

It is an amenable number.

79313 is a deficient number, since it is larger than the sum of its proper divisors (6115).

79313 is a wasteful number, since it uses less digits than its factorization.

79313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114.

The product of its digits is 567, while the sum is 23.

The square root of 79313 is about 281.6256380374. The cubic root of 79313 is about 42.9649976558.

The spelling of 79313 in words is "seventy-nine thousand, three hundred thirteen".