6268391 has 2 divisors, whose sum is σ = 6268392. Its totient is φ = 6268390.

The previous prime is 6268387. The next prime is 6268403. The reversal of 6268391 is 1938626.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6268391 - 2² = 6268387 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6268331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3134195 + 3134196.

It is an arithmetic number, because the mean of its divisors is an integer number (3134196).

Almost surely, 2^6268391 is an apocalyptic number.

6268391 is a deficient number, since it is larger than the sum of its proper divisors (1).

6268391 is an equidigital number, since it uses as much as digits as its factorization.

6268391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 6268391 is about 2503.6754981427. The cubic root of 6268391 is about 184.3820727345.

The spelling of 6268391 in words is "six million, two hundred sixty-eight thousand, three hundred ninety-one".