7283231 has 2 divisors, whose sum is σ = 7283232. Its totient is φ = 7283230.

The previous prime is 7283219. The next prime is 7283257. The reversal of 7283231 is 1323827.

It is an a-pointer prime, because the next prime (7283257) can be obtained adding 7283231 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7283231 is a prime.

It is a super-2 number, since 2×7283231² = 106090907598722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7283231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7283291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3641615 + 3641616.

It is an arithmetic number, because the mean of its divisors is an integer number (3641616).

Almost surely, 2^7283231 is an apocalyptic number.

7283231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7283231 is an equidigital number, since it uses as much as digits as its factorization.

7283231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 7283231 is about 2698.7461903632. The cubic root of 7283231 is about 193.8390896565.

The spelling of 7283231 in words is "seven million, two hundred eighty-three thousand, two hundred thirty-one".