6217231 has 2 divisors, whose sum is σ = 6217232. Its totient is φ = 6217230.

The previous prime is 6217229. The next prime is 6217249. The reversal of 6217231 is 1327126.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6217231 - 2¹ = 6217229 is a prime.

It is a super-2 number, since 2×6217231² = 77307922614722, which contains 22 as substring.

Together with 6217229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6217261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108615 + 3108616.

It is an arithmetic number, because the mean of its divisors is an integer number (3108616).

Almost surely, 2^6217231 is an apocalyptic number.

6217231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6217231 is an equidigital number, since it uses as much as digits as its factorization.

6217231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 22.

The square root of 6217231 is about 2493.4375869470. The cubic root of 6217231 is about 183.8790852564.

The spelling of 6217231 in words is "six million, two hundred seventeen thousand, two hundred thirty-one".