6268991 has 2 divisors, whose sum is σ = 6268992. Its totient is φ = 6268990.

The previous prime is 6268987. The next prime is 6269033. The reversal of 6268991 is 1998626.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6268991 - 2² = 6268987 is a prime.

It is a Chen prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6268981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3134495 + 3134496.

It is an arithmetic number, because the mean of its divisors is an integer number (3134496).

Almost surely, 2^6268991 is an apocalyptic number.

6268991 is a deficient number, since it is larger than the sum of its proper divisors (1).

6268991 is an equidigital number, since it uses as much as digits as its factorization.

6268991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 6268991 is about 2503.7953191106. The cubic root of 6268991 is about 184.3879554623.

The spelling of 6268991 in words is "six million, two hundred sixty-eight thousand, nine hundred ninety-one".