6441256 has 32 divisors (see below), whose sum is σ = 12695040. Its totient is φ = 3060288.

The previous prime is 6441241. The next prime is 6441257. The reversal of 6441256 is 6521446.

It is not an unprimeable number, because it can be changed into a prime (6441257) 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, 13681 + ... + 14143.

It is an arithmetic number, because the mean of its divisors is an integer number (396720).

Almost surely, 2^6441256 is an apocalyptic number.

It is an amenable number.

6441256 is a deficient number, since it is larger than the sum of its proper divisors (6253784).

6441256 is a wasteful number, since it uses less digits than its factorization.

6441256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 549 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 6441256 is about 2537.9629626927. The cubic root of 6441256 is about 186.0616437295.

The spelling of 6441256 in words is "six million, four hundred forty-one thousand, two hundred fifty-six".