6487243 has 8 divisors (see below), whose sum is σ = 7508480. Its totient is φ = 5489640.

The previous prime is 6487223. The next prime is 6487259. The reversal of 6487243 is 3427846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6487243 - 2¹⁷ = 6356171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6487199 and 6487208.

It is not an unprimeable number, because it can be changed into a prime (6487223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5313 + ... + 6418.

It is an arithmetic number, because the mean of its divisors is an integer number (938560).

Almost surely, 2^6487243 is an apocalyptic number.

6487243 is a deficient number, since it is larger than the sum of its proper divisors (1021237).

6487243 is a wasteful number, since it uses less digits than its factorization.

6487243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11817.

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

The square root of 6487243 is about 2547.0066745103. The cubic root of 6487243 is about 186.5033864838.

Subtracting from 6487243 its sum of digits (34), we obtain a square (6487209 = 2547²).

The spelling of 6487243 in words is "six million, four hundred eighty-seven thousand, two hundred forty-three".