6268621 has 2 divisors, whose sum is σ = 6268622. Its totient is φ = 6268620.

The previous prime is 6268609. The next prime is 6268637. The reversal of 6268621 is 1268626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4862025 + 1406596 = 2205^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 6268621 - 2⁵ = 6268589 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 (6268601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3134310 + 3134311.

It is an arithmetic number, because the mean of its divisors is an integer number (3134311).

Almost surely, 2^6268621 is an apocalyptic number.

It is an amenable number.

6268621 is a deficient number, since it is larger than the sum of its proper divisors (1).

6268621 is an equidigital number, since it uses as much as digits as its factorization.

6268621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 6268621 is about 2503.7214301915. The cubic root of 6268621 is about 184.3843278245.

It can be divided in two parts, 6268 and 621, that added together give a square (6889 = 83²).

The spelling of 6268621 in words is "six million, two hundred sixty-eight thousand, six hundred twenty-one".