7993231 has 2 divisors, whose sum is σ = 7993232. Its totient is φ = 7993230.

The previous prime is 7993229. The next prime is 7993273. The reversal of 7993231 is 1323997.

7993231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1323997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7993231 - 2¹ = 7993229 is a prime.

It is a super-2 number, since 2×7993231² = 127783483638722, which contains 22 as substring.

Together with 7993229, it forms a pair of twin primes.

It is an Ulam number.

It is equal to p₅₃₉₃₅₉ and since 7993231 and 539359 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7993201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996615 + 3996616.

It is an arithmetic number, because the mean of its divisors is an integer number (3996616).

Almost surely, 2^7993231 is an apocalyptic number.

7993231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7993231 is an equidigital number, since it uses as much as digits as its factorization.

7993231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 34.

The square root of 7993231 is about 2827.2302700700. The cubic root of 7993231 is about 199.9435757497.

The spelling of 7993231 in words is "seven million, nine hundred ninety-three thousand, two hundred thirty-one".