6140231 has 2 divisors, whose sum is σ = 6140232. Its totient is φ = 6140230.

The previous prime is 6140227. The next prime is 6140243. The reversal of 6140231 is 1320416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6140231 - 2² = 6140227 is a prime.

It is a super-2 number, since 2×6140231² = 75404873466722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6140291) 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, 3070115 + 3070116.

It is an arithmetic number, because the mean of its divisors is an integer number (3070116).

Almost surely, 2^6140231 is an apocalyptic number.

6140231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6140231 is an equidigital number, since it uses as much as digits as its factorization.

6140231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 6140231 is about 2477.9489502409. The cubic root of 6140231 is about 183.1168195160.

Adding to 6140231 its reverse (1320416), we get a palindrome (7460647).

The spelling of 6140231 in words is "six million, one hundred forty thousand, two hundred thirty-one".