6263993 has 2 divisors, whose sum is σ = 6263994. Its totient is φ = 6263992.

The previous prime is 6263987. The next prime is 6264001. The reversal of 6263993 is 3993626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3564544 + 2699449 = 1888^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 6263993 - 2¹⁴ = 6247609 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6263963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3131996 + 3131997.

It is an arithmetic number, because the mean of its divisors is an integer number (3131997).

Almost surely, 2^6263993 is an apocalyptic number.

It is an amenable number.

6263993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6263993 is an equidigital number, since it uses as much as digits as its factorization.

6263993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 38.

The square root of 6263993 is about 2502.7970353187. The cubic root of 6263993 is about 184.3389408750.

The spelling of 6263993 in words is "six million, two hundred sixty-three thousand, nine hundred ninety-three".