6751231 has 2 divisors, whose sum is σ = 6751232. Its totient is φ = 6751230.

The previous prime is 6751189. The next prime is 6751243. The reversal of 6751231 is 1321576.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6751231 is a prime.

It is a super-2 number, since 2×6751231² = 91158240030722, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 6751196 and 6751205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6751271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3375615 + 3375616.

It is an arithmetic number, because the mean of its divisors is an integer number (3375616).

Almost surely, 2^6751231 is an apocalyptic number.

6751231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6751231 is an equidigital number, since it uses as much as digits as its factorization.

6751231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 25.

The square root of 6751231 is about 2598.3131066136. The cubic root of 6751231 is about 188.9996453993. Note that the first 3 decimals are identical.

The spelling of 6751231 in words is "six million, seven hundred fifty-one thousand, two hundred thirty-one".