6478243 has 4 divisors (see below), whose sum is σ = 6600528. Its totient is φ = 6355960.

The previous prime is 6478229. The next prime is 6478267. The reversal of 6478243 is 3428746.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6478243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6478199 and 6478208.

It is not an unprimeable number, because it can be changed into a prime (6478273) 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, 61063 + ... + 61168.

It is an arithmetic number, because the mean of its divisors is an integer number (1650132).

Almost surely, 2^6478243 is an apocalyptic number.

6478243 is a deficient number, since it is larger than the sum of its proper divisors (122285).

6478243 is a wasteful number, since it uses less digits than its factorization.

6478243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122284.

The product of its digits is 32256, while the sum is 34.

The square root of 6478243 is about 2545.2392814822. The cubic root of 6478243 is about 186.4170988109.

The spelling of 6478243 in words is "six million, four hundred seventy-eight thousand, two hundred forty-three".