6448263 has 4 divisors (see below), whose sum is σ = 8597688. Its totient is φ = 4298840.

The previous prime is 6448243. The next prime is 6448271. The reversal of 6448263 is 3628446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6448263 - 2⁵ = 6448231 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074708 + ... + 1074713.

It is an arithmetic number, because the mean of its divisors is an integer number (2149422).

Almost surely, 2^6448263 is an apocalyptic number.

6448263 is a deficient number, since it is larger than the sum of its proper divisors (2149425).

6448263 is a wasteful number, since it uses less digits than its factorization.

6448263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149424.

The product of its digits is 27648, while the sum is 33.

The square root of 6448263 is about 2539.3430252725. The cubic root of 6448263 is about 186.1290871740.

The spelling of 6448263 in words is "six million, four hundred forty-eight thousand, two hundred sixty-three".