6750631 has 2 divisors, whose sum is σ = 6750632. Its totient is φ = 6750630.

The previous prime is 6750617. The next prime is 6750637. The reversal of 6750631 is 1360576.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6750631 - 2¹¹ = 6748583 is a prime.

It is a super-2 number, since 2×6750631² = 91142037796322, which contains 22 as substring.

6750631 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6750631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6750637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3375315 + 3375316.

It is an arithmetic number, because the mean of its divisors is an integer number (3375316).

Almost surely, 2^6750631 is an apocalyptic number.

6750631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6750631 is an equidigital number, since it uses as much as digits as its factorization.

6750631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 6750631 is about 2598.1976445221. The cubic root of 6750631 is about 188.9940462651.

It can be divided in two parts, 6750 and 631, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 6750631 in words is "six million, seven hundred fifty thousand, six hundred thirty-one".