7841231 has 2 divisors, whose sum is σ = 7841232. Its totient is φ = 7841230.

The previous prime is 7841221. The next prime is 7841263. The reversal of 7841231 is 1321487.

It is a weak prime.

It is an emirp because it is prime and its reverse (1321487) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7841231 - 2¹⁰ = 7840207 is a prime.

It is a super-2 number, since 2×7841231² = 122969807190722, 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 7841231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7841201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3920615 + 3920616.

It is an arithmetic number, because the mean of its divisors is an integer number (3920616).

Almost surely, 2^7841231 is an apocalyptic number.

7841231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7841231 is an equidigital number, since it uses as much as digits as its factorization.

7841231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 7841231 is about 2800.2198128004. The cubic root of 7841231 is about 198.6680745637.

The spelling of 7841231 in words is "seven million, eight hundred forty-one thousand, two hundred thirty-one".