79231 has 2 divisors, whose sum is σ = 79232. Its totient is φ = 79230.

The previous prime is 79229. The next prime is 79241. The reversal of 79231 is 13297.

It is a weak prime.

It is an emirp because it is prime and its reverse (13297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79231 - 2¹ = 79229 is a prime.

It is a super-2 number, since 2×79231² = 12555102722, which contains 22 as substring.

Together with 79229, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39615 + 39616.

It is an arithmetic number, because the mean of its divisors is an integer number (39616).

2⁷⁹²³¹ is an apocalyptic number.

79231 is a deficient number, since it is larger than the sum of its proper divisors (1).

79231 is an equidigital number, since it uses as much as digits as its factorization.

79231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 22.

The square root of 79231 is about 281.4800170527. The cubic root of 79231 is about 42.9501856886.

The spelling of 79231 in words is "seventy-nine thousand, two hundred thirty-one".